JPH0676429B2 - Synthesis of lacto-series glycosphingolipids - Google Patents
Synthesis of lacto-series glycosphingolipidsInfo
- Publication number
- JPH0676429B2 JPH0676429B2 JP63055865A JP5586588A JPH0676429B2 JP H0676429 B2 JPH0676429 B2 JP H0676429B2 JP 63055865 A JP63055865 A JP 63055865A JP 5586588 A JP5586588 A JP 5586588A JP H0676429 B2 JPH0676429 B2 JP H0676429B2
- Authority
- JP
- Japan
- Prior art keywords
- compound
- toluene
- nmr
- cdcl
- ethyl acetate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
Landscapes
- Saccharide Compounds (AREA)
Description
【発明の詳細な説明】 〔発明の分野〕 本発明は、ラクト系列スフィンゴ糖脂質の合成法に関
し、更に詳細には、オリゴ糖供与体とセラミド受容体と
のカップリング反応の収率を向上させた新規合成法に関
する。Description: FIELD OF THE INVENTION The present invention relates to a method for synthesizing a lacto-series glycosphingolipid, and more particularly, to improve the yield of a coupling reaction between an oligosaccharide donor and a ceramide acceptor. New synthetic method.
スフィンゴ糖脂質は、セラミドの一級アルコールに各種
の糖類がグリコシド結合した複合糖脂質であり、生体膜
中に存在し、細胞増殖調節、相互識別などの機能、発生
・分化の問題、神経機能、また感染および細胞の悪性化
などにおいて重要な役割を演じていると予想されてい
る。しかし、生体模中の存在量は低いため、収率の高い
合成法の開発が望まれている。Glycosphingolipids are complex glycolipids in which various saccharides are glycoside-bonded to the primary alcohol of ceramide, and they are present in biological membranes, functions such as cell growth regulation, mutual discrimination, development / differentiation problems, nerve functions, and It is expected to play an important role in infection and malignant transformation of cells. However, since the abundance in living organisms is low, it is desired to develop a synthetic method with high yield.
従来、ラクト系列スフィンゴ糖脂質は、その逆合成分析
に従って、最終ステップにおいてオリゴ糖供与体とセラ
ミド受容体をカップリング反応させることにより合成さ
れてきた。Conventionally, lacto-series glycosphingolipids have been synthesized by a coupling reaction between an oligosaccharide donor and a ceramide acceptor in the final step according to its reverse synthesis analysis.
しかしながら、これまでに提案されたいくつかの糖脂質
合成においては、オルトエステル及び加水分解物等の副
産物が主生成物をなし、目的とするカップリング生成物
は低収率であることが多く、この収率の低下傾向は、オ
リゴ糖が大きくなるに従って著しくなる〔小川ら、カー
ボハイドレート・リサーチ(Carbohydr.Res.)、155(1
986)C1−C5〕。However, in some glycolipid syntheses proposed so far, by-products such as orthoesters and hydrolysates form the main products, and the intended coupling products often have low yields. This tendency of decreasing yield becomes more remarkable as the oligosaccharide becomes larger [Ogawa et al., Carbohydrate Research (Carbohydr. Res.), 155 (1
986) C1-C5].
したがって本発明の目的は、ラクト系列スフィンゴ糖脂
質合成における、オリゴ糖供与体とセラミド受容体との
カップリング反応の収益を向上させることである。Therefore, it is an object of the present invention to improve the profitability of the coupling reaction between an oligosaccharide donor and a ceramide acceptor in lacto-series glycosphingolipid synthesis.
上記目的は、オリゴ糖供与体の還元末端部位にあたるラ
クトースの2位水酸基を嵩高いピバロイル基で選択的に
保護することにより達成される。ピバロイル基は、糖鎖
合成において通常用いられる多くの反応において安定で
あることが示され、種々の糖脂質合成への応用・展開が
期待される。The above object is achieved by selectively protecting the 2-hydroxyl group of lactose, which is the reducing end site of the oligosaccharide donor, with a bulky pivaloyl group. The pivaloyl group has been shown to be stable in many reactions usually used in sugar chain synthesis, and is expected to be applied and developed in various glycolipid synthesis.
本発明は、一般式(I): (式中、R1、R2、R3の少なくとも1つはアセチル基で保
護されたオリゴ糖残基を表わし、他はアセチル基を表わ
す。Xはハロゲン原子または‐O‐C(NH)CCl3を表わ
す。)で表わされる化合物と、一般式(II): (式中、R4は保護基を表わす)で表わされる化合物を反
応させて一般式(III): で表わされる化合物を得、保護基を脱離することを特徴
とする一般式(IV): (式中R5、R6、R7の少なくとも1つはオリゴ糖残基を表
わし、他は水素原子を表わす。)で表わされるラクト系
列スフィンゴ糖脂質の合成法である。The present invention has the general formula (I): (In the formula, at least one of R 1 , R 2 , and R 3 represents an oligosaccharide residue protected by an acetyl group, and the other represents an acetyl group. X represents a halogen atom or -OC (NH) CCl. And a compound represented by the general formula (II): (Wherein R 4 represents a protecting group) is reacted to give a compound of the general formula (III): The compound of the general formula (IV) is characterized in that the protecting group is eliminated by the following formula: (In the formula, at least one of R 5 , R 6 , and R 7 represents an oligosaccharide residue, and the other represent a hydrogen atom.).
一般式(I)で表わされる化合物の例としては下記の化合
物(14)および(15)が挙げられる。Examples of the compound represented by the general formula (I) include the following compounds (14) and (15).
および この化合物(14)、(15)、および(41)、の合成スキーム
の一例、ならびにこれを原料として目的化合物を合成す
る反応の一例を次のスキームに示す。 and An example of a synthetic scheme of the compounds (14), (15), and (41) and an example of a reaction for synthesizing the target compound using the compounds (14), (15), and (41) are shown in the following schemes.
上記スキームを参照し、本発明の出発原料化合物(14)、
(15)および(41)を合成する方法、ならびにこれらから
目的化合物を合成する方法を説明する。 Referring to the above scheme, the starting compound (14) of the present invention,
A method for synthesizing (15) and (41) and a method for synthesizing a target compound from them will be described.
まず式(1) で表わされる化合物を、メタノール、エタノール等の溶
媒中、NaOMe、NaHCO3、Na2CO3、NaOEt、Et3N等の塩基に
より、−20℃〜60℃で1分〜12時間処理し、脱アセチル
体(2)とする。これを、トルエン、ベンゼン、キシレン
等の溶媒中、(n‐Bu3Sn)2O、n-Bu4NBr存在下、アリル
ブロマイドと0℃〜150℃で1時間〜2日反応させ、ガ
ラクトースの3位をアリル化して(3a)とした後、DMF、T
HF、ジオキサン、トルエン等の溶媒中、NaH、t-BuOK、K
H等の存在下ベンジルブロマイドと−20℃〜100℃で30分
〜12時間反応させベンジル体(4)を得る。これを、ジク
ロロメタン、クロロホルム、THF、トルエン等の溶媒
中、トリメチルシリルトリフレート(TMSOTf)、MS4A等
の存在下、−70℃〜50℃で1分〜12時間処理し、化合物
(5)を得る。これを常法により脱アセチル化して化合物
(6)を得る。化合物(6)を、ピリジン、又はピリジンとク
ロロホルム、ジクロロエタン等との混合溶媒中、ピバロ
イルクロライドと−10℃〜150℃で10分〜24時間反応さ
せ2−ピバロイル体(7)を得る。次に、含水酢酸または
これをTHF、ジオキサン等との混合溶媒中、パラジウム
クロライド/酢酸ナトリウム等により、0℃〜100℃で3
0分〜2日間処理し、脱アリル化して化合物(8)とする。First formula (1) The compound represented by is treated with a base such as NaOMe, NaHCO 3 , Na 2 CO 3 , NaOEt, Et 3 N in a solvent such as methanol or ethanol at −20 ° C. to 60 ° C. for 1 minute to 12 hours to remove the compound. Acetyl derivative (2). This is reacted with allyl bromide at 0 ° C to 150 ° C for 1 hour to 2 days in the presence of (n-Bu 3 Sn) 2 O and n-Bu 4 NBr in a solvent such as toluene, benzene, and xylene to give galactose. After allylating the 3-position to (3a), DMF, T
NaH, t-BuOK, K in solvents such as HF, dioxane, and toluene
The benzyl compound (4) is obtained by reacting with benzyl bromide in the presence of H etc. at -20 ° C to 100 ° C for 30 minutes to 12 hours. This is treated in a solvent such as dichloromethane, chloroform, THF or toluene in the presence of trimethylsilyl triflate (TMSOTf), MS4A or the like at -70 ° C to 50 ° C for 1 minute to 12 hours to give a compound
Get (5). This is deacetylated by a conventional method to give a compound
Get (6). The compound (6) is reacted with pivaloyl chloride at -10 ° C to 150 ° C for 10 minutes to 24 hours in pyridine or a mixed solvent of pyridine and chloroform, dichloroethane or the like to obtain a 2-pivaloyl compound (7). Next, with acetic acid containing water or a mixed solvent thereof with THF, dioxane, etc., with palladium chloride / sodium acetate, etc., at 0 ° C.-100 ° C.
It is treated for 0 minutes to 2 days and deallylated to obtain compound (8).
化合物(8)をニトロメタン、ジクロロエタン、クロロホ
ルム、トルエン等の溶媒中、化合物(9)と、−20℃〜100
℃で10分〜24時間反応させ3糖(10)を得る。化合物(10)
をエタノール、メタノール等の溶媒中ヒドラジンによ
り、0℃〜120℃で10分〜2日間処理して脱フタロイル
化し、次いでピリジン、またはピリジンとジクロロエタ
ン、THF等との混合溶媒中、無水酢酸/ピリジン/4−ジ
メチルアミノピリジンにより−20℃〜100℃で30分〜24
時間処理しN−アセチル体(11)を得る。この化合物(11)
を、メタノール、エタノール、酢酸等の溶媒中、PD−C
等の触媒存在下、−20℃〜100℃で30分〜1日、水素ガ
ス雰囲気下で処理し、脱ベンジル化したのち、上記のと
おり常法によりアセチル化し、アセチル体(12)を得る。
化合物(12)を、DMF、THF、ジオキサン等の溶媒中、ヒド
ラジン/酢酸により、−20℃〜100℃で1分〜1日処理
し、1−位の脱アセチル化を行い、化合物(13)を得る。Compound (8), in a solvent such as nitromethane, dichloroethane, chloroform, toluene and the like, the compound (9), -20 ℃ ~ 100
The trisaccharide (10) is obtained by reacting at 10 ° C for 24 hours. Compound (10)
Is treated with hydrazine in a solvent such as ethanol or methanol at 0 ° C. to 120 ° C. for 10 minutes to 2 days to dephthaloylate, and then pyridine or a mixed solvent of pyridine and dichloroethane, THF or the like is added with acetic anhydride / pyridine / 30 minutes to 24 at -20 ℃ to 100 ℃ with 4-dimethylaminopyridine
It is treated for a time to obtain an N-acetyl compound (11). This compound (11)
In a solvent such as methanol, ethanol, acetic acid, PD-C
Etc. in the presence of a catalyst such as -20 ° C. to 100 ° C. for 30 minutes to 1 day in a hydrogen gas atmosphere for debenzylation and then acetylation by a conventional method as described above to obtain an acetyl compound (12).
Compound (12) is treated with hydrazine / acetic acid in a solvent such as DMF, THF or dioxane at -20 ° C to 100 ° C for 1 minute to 1 day to deacetylate the 1-position to give compound (13). To get
化合物(13)を、アルゴン等の不活性ガス雰囲気下、ジク
ロロエタン、クロロホルム、THF等の溶媒中、DBU存在
下、トリクロロアセトニトリルと−20℃〜100℃で5分
〜1日反応させるとイミデート(14)が得られる。またDB
Uの代りにジエチルアミノサルファトリフルオライド(D
AST)存在下、−50℃〜50℃で1分〜12時間反応させる
とフルオライド(15)が得られる。When the compound (13) is reacted with trichloroacetonitrile at −20 ° C. to 100 ° C. for 5 minutes to 1 day in the presence of DBU in a solvent such as dichloroethane, chloroform or THF under an atmosphere of an inert gas such as argon, the imidate (14 ) Is obtained. Also DB
Diethylaminosulfur trifluoride (D
AST) in the presence of -50 ° C to 50 ° C for 1 minute to 12 hours to give fluoride (15).
こうして得られたイミデート(14)またはフルオライド(1
5)にシリルセラミド(16)を反応させ、化合物(17)を得
る。この反応はBF3・Et2O、TMSOTF、p−トルエンスル
ホン酸等の酸触媒存在下、ジクロロエタン、ニトロメタ
ン、トルエン、THF等の溶媒中、−50℃〜100℃、1分〜
1日で十分に進行する。この化合物(17)を常法により脱
保護して目的化合物(18)を得る。The imidate (14) or fluoride (1) thus obtained
The compound (17) is obtained by reacting 5) with silylceramide (16). This reaction is carried out in the presence of an acid catalyst such as BF 3 · Et 2 O, TMSOTF or p-toluenesulfonic acid in a solvent such as dichloroethane, nitromethane, toluene or THF at −50 ° C. to 100 ° C. for 1 min.
It progresses well in one day. This compound (17) is deprotected by a conventional method to obtain the target compound (18).
また、化合物(22)を出発原料として、化合物(41)を
得、これにシリルセラミド(16)を反応させ、脱保護して
目的化合物(43)を得る各反応工程の好ましい条件を以
下に示す。Aは反応溶媒、Bは反応温度、Cは反応時
間、Dは触媒あるいは反応試薬を示す。In addition, preferable conditions for each reaction step of obtaining the compound (41) from the compound (22) as a starting material, reacting this with the silylceramide (16) and deprotecting to obtain the target compound (43) are shown below. . A is a reaction solvent, B is a reaction temperature, C is a reaction time, and D is a catalyst or a reaction reagent.
(22)→(23) A:メタノール、エタノール B:−10℃〜80℃ C:5分〜1日 D:NaOMe、NaOEt、Na2CO3、NaHCO3、Et3N (23)→(24)+(25) A:DMF、アセトン、THF、トルエン、ジオキサン B:0℃〜120℃ C:1時間〜2日 D:p-TsOH、ベンゼンスルホン酸、無水塩酸、塩化亜鉛 (24)→(26) A:DMF、THF、ジオキサン B:−20℃〜100℃ C:5分〜1日 D:BnBr、Ag2O/KI (24)→(27) A:トリフルオロ酢酸/水、酢酸/水、希塩酸、THF B:−10℃〜100℃ C:5分〜3日 (27)→(28) A:ピリジン、4-DMAP、ジクロロエタン、ジクロロメタ
ン、クロロホルム、THF、ジオキサン B:−10℃〜80℃ C:5分〜2日 D:無水酢酸 (28)→(29) A:aqAcOH、メタノール、エタノール B:0℃〜120℃ C:30分〜2日 D:PdCl2、NaOAc (29)→(30) A:クロロホルム、ジクロロメタン、ジクロロエタン、ト
ルエン、THF B:−20℃〜60℃ C:5分〜1日 D:CCl3CN、DBU (29)→(31) A:ピリジン、4-DMAP、ジクロロエタン、ジクロロメタ
ン、クロロホルム、THF、ジオキサン B:−10℃〜80℃ C:5分〜2日 D:無水酢酸 (31)→(32) A:ジクロロエタン、ジクロロメタン、クロロホルム B:−20℃〜100℃ C:5分〜1日 D:nBu3SnSCH3、SnCl4 (30)+(8)→(34) A:クロロホルム、ジクロロメタン、クロロエタン、トル
エン、THF B:−20℃〜60℃ C:5分〜1日 D:BF3・Et2O、TMSOTf (32)+(8)→(34) 〔A〕法 A:ニトロメタン、クロロホルム、ジクロロエ
タン、ジクロロメタン、アセトニトリル B:−10℃〜100℃ C:30分〜2日 D:CuBr2/AgOTf 〔B〕法 A:クロロホルム、ジクロロエタン、ジクロロ
メタン、エーテル、THF B:−20℃〜80℃ C:5分〜1日 D:MeOTf (34)→(35) A:メタノール、エタノール、THF B:−10℃〜80℃ C:5分〜1日 D:NaOM2、NaOEt、Na2CO3、NaHCO3、Et3N (35)+(36)→(37) A:クロロホルム、ジクロロエタン、ジクロロメタン、ト
ルエン、THF B:−20℃〜60℃ C:5分〜1日 D:BF3・Et2、TMSOTf 1)A:メタノール、エタノール B:0℃〜120℃ C:5分〜2日 D:NH2NH2 2)A:ピリジン、4-DMAP、クロロホルム、ジクロロエタ
ン、ジクロロメタン、THF B:−10℃〜80℃ C:30分〜2日 D:無水酢酸 1)A:メタノール、エタノール、酢酸 B:0℃〜100℃ C:1時間〜3日 D:100% Pd-C、5% Pd‐BaSO4、5% Pt-C、H2 2)A:ピリジン、4-DMAP、クロロホルム、ジクロロエタ
ン、ジクロロメタン、THF B:−10℃〜80℃ C:30分〜2日 D:無水酢酸 1)A:DMF、THF、ジオキサン B:−10℃〜100℃ C:5分〜1日 D:NH2NH2/AcOH 2)A:クロロホルム、ジクロロエタン、ジクロロメタ
ン、トルエン、THF B:−20℃〜60℃ C:5分〜1日 D:CCl3CN/DBU (41)+(16)→(42) A:クロロホルム、ジクロロエタン、ジクロロメタン、ト
ルエン、THF B:−20℃〜60℃ C:5分〜1日 D:BF3・Et2O、TMSOTf、M.S.4A 1)A:THF、ジオキサン、メタノール、エタノール B:−20℃〜100℃ C:5分〜2日 D:n‐Bu4NF 2)A:メタノール、エタノール、THF、ジオキサン B:−10℃〜80℃ C:5分〜1日 D:NaOM2、NaOEt、Na2CO3、NaHCO3、Et3N 本発明の方法により得られる化合物(18)及び(43)は結
腸腫瘍〔J. Experimental Medicine 144(1976)644K.
Watanabe, S. Hakomori〕やメラノーマ細胞〔K. A. Kar
lsson, in S. Abrahamsson and I. Pasher Editors“Structure of Bi
ological Membrane"Plenum Press, New York(1977)24
5−274〕の抗原として知られている。従って化合物(18)
または(43)を用いてモノクローナル抗体の作成を行
い、関連疾患の診断・治療に利用できるものと思われ
る。(22) → (23) A: Methanol, ethanol B: −10 ° C. to 80 ° C. C: 5 minutes to 1 day D: NaOMe, NaOEt, Na 2 CO 3 , NaHCO 3 , Et 3 N (23) → (24 ) + (25) A: DMF, acetone, THF, toluene, dioxane B: 0 to 120 ° C C: 1 to 2 days D: p-TsOH, benzenesulfonic acid, anhydrous hydrochloric acid, zinc chloride (24) → ( 26) A: DMF, THF, dioxane B: -20 ° C to 100 ° C C: 5 minutes to 1 day D: BnBr, Ag 2 O / KI (24) → (27) A: trifluoroacetic acid / water, acetic acid / Water, dilute hydrochloric acid, THF B: -10 ° C to 100 ° C C: 5 minutes to 3 days (27) → (28) A: pyridine, 4-DMAP, dichloroethane, dichloromethane, chloroform, THF, dioxane B: -10 ° C ~ 80 ℃ C: 5 minutes to 2 days D: Acetic anhydride (28) → (29) A: aqAcOH, methanol, ethanol B: 0 ℃ to 120 ℃ C: 30 minutes to 2 days D: PdCl 2 , NaOAc (29) → (30) A: Chloroform, dichloromethane, dichloroethane, toluene, THF B: -20 ℃ to 60 ℃ C: 5 ~ 1 day D: CCl 3 CN, DBU ( 29) → (31) A: pyridine, 4-DMAP, dichloroethane, dichloromethane, chloroform, THF, dioxane B: -10 ℃ ~80 ℃ C: 5 minutes to 2 days D : Acetic anhydride (31) → (32) A: Dichloroethane, dichloromethane, chloroform B: −20 ° C. to 100 ° C. C: 5 minutes to 1 day D: nBu 3 SnSCH 3 , SnCl 4 (30) + (8) → ( 34) A: Chloroform, dichloromethane, chloroethane, toluene, THF B: -20 ° C to 60 ° C C: 5 minutes to 1 day D: BF 3 · Et 2 O, TMSOTf (32) + (8) → (34) [ A] Method A: nitromethane, chloroform, dichloroethane, dichloromethane, acetonitrile B: −10 ° C. to 100 ° C. C: 30 minutes to 2 days D: CuBr 2 / AgOTf [B] Method A: chloroform, dichloroethane, dichloromethane, ether, THF B: -20 ℃ ~ 80 ℃ C: 5 minutes ~ 1 day D: MeOTf (34) → (35) A: Methanol, ethanol, THF B: -10 ℃ ~ 80 ℃ C: 5 minutes ~ Day D: NaOM 2, NaOEt, Na 2 CO 3, NaHCO 3, Et 3 N (35) + (36) → (37) A: chloroform, dichloroethane, dichloromethane, toluene, THF B: -20 ℃ ~60 ℃ C : 5 minutes to 1 day D: BF 3・ Et 2 , TMSOTf 1) A: methanol, ethanol B: 0 to 120 ° C. C: 5 minutes to 2 days D: NH 2 NH 2 2) A: pyridine, 4-DMAP, chloroform, dichloroethane, dichloromethane, THF B: −10 ° C. 80 ℃ C: 30 minutes to 2 days D: Acetic anhydride 1) A: Methanol, ethanol, acetic acid B: 0 to 100 ° C C: 1 to 3 days D: 100% Pd-C, 5% Pd-BaSO 4 , 5% Pt-C, H 2 2) A: Pyridine, 4-DMAP, chloroform, dichloroethane, dichloromethane, THF B: -10 ℃ to 80 ℃ C: 30 minutes to 2 days D: Acetic anhydride 1) A: DMF, THF, dioxane B: −10 ° C. to 100 ° C. C: 5 minutes to 1 day D: NH 2 NH 2 / AcOH 2) A: Chloroform, dichloroethane, dichloromethane, toluene, THF B: −20 ° C. -60 ° C C: 5 minutes to 1 day D: CCl 3 CN / DBU (41) + (16) → (42) A: Chloroform, dichloroethane, dichloromethane, toluene, THF B: -20 ° C to 60 ° C C: 5 Minutes to 1 day D: BF 3 · Et 2 O, TMSOTf, MS4A 1) A: THF, dioxane, methanol, ethanol B: -20 ° C to 100 ° C C: 5 minutes to 2 days D: n-Bu 4 NF 2) A: methanol, ethanol, THF, dioxane B: -10 ° C to 80 ° C. C: 5 minutes to 1 day D: NaOM 2 , NaOEt, Na 2 CO 3 , NaHCO 3 , Et 3 N Compounds (18) and (43) obtained by the method of the present invention are colon tumors [J. Experimental Medicine]. 144 (1976) 644K.
Watanabe, S. Hakomori] and melanoma cells [KA Kar
lsson, in S. Abrahamsson and I. Pasher Editors “Structure of Bi
ological Membrane "Plenum Press, New York (1977) 24
5-274]. Thus compound (18)
Alternatively, (43) may be used to prepare a monoclonal antibody, which can be used for diagnosis and treatment of related diseases.
以下、参考例および実施例を示し、本発明をさらに具体
的に説明する。なお、元素分析値は“%”で示してあ
る。Hereinafter, the present invention will be described more specifically by showing Reference Examples and Examples. The elemental analysis value is shown by "%".
参考例1 化合物(1)37.8g(51.6mM)をメタノール200mlに溶解
し、これに、0.2N NaOMe−メタノール溶液30mlЕを加
え、室温にて1時間撹拌した。反応終了後、溶媒を留去
し、これに、エーテルを加え、しばらく放置すると化合
物(2)が結晶化した。これをエーテルでよく洗いながら
ろ取した。Reference Example 1 37.8 g (51.6 mM) of the compound (1) was dissolved in 200 ml of methanol, 30 ml of 0.2N NaOMe-methanol solution was added, and the mixture was stirred at room temperature for 1 hour. After completion of the reaction, the solvent was distilled off, ether was added thereto, and the compound (2) was crystallized when left for a while. This was collected by filtration while washing well with ether.
19.1g(収率、78.2%)。19.1 g (yield, 78.2%).
〔化合物(2)の性質〕 m.p.110〜112℃ Rf=0.17(クロロホルム/メタノール=5/1)〔α▲〕
21 D▼+30.0゜(C=1.05、CH3OH) 元素分析値 C21H30O12・3/2 H2O=501.488 理論値 C;50.30 H;6.63 実測値 C;50.55 H;6.031 H−NMR(d−MeOD)δ: 7.325-7.256(m, 5H, アロマチックH) 5.673(d, 1H, H-1a, J=5.4Hz) 4.346(d, 1H, H-1b, J=7.6Hz) 1.716(s, 3H, -CH3) 参考例2 化合物(2)4.74g(10mM)及びビス(トリn-ブチルチン)
オキサイド11.92g(20mM)をトルエン−THF(30ml−30m
l)に溶解し、還流撹拌下、Dien−Stark装置を用い、留
去されてくるTHFを適時抜き取り、新たにTHFを加え、こ
れを繰返し、3時間撹拌した。アリルブロマイド6.05g
(50mM)及びテトラn−ブチルアンモニウムブロマイド
1.61g(5mM)を加え、終夜加熱撹拌した。反応終了後、
溶媒を留去し、残渣を直接カラムクロマトグラフィー
(クロロホルム/メタノール/トリエチルアミン=90/1
0/2)にて精製し、結晶(3a)2.10g(収率、40.8%)を
得た。[Properties of compound (2)] mp 110-112 ℃ Rf = 0.17 (chloroform / methanol = 5/1) [α ▲]
21 D ▼ + 30.0 ° (C = 1.05, CH 3 OH ) Elemental analysis C 21 H 30 O 12 · 3/2 H 2 O = 501.488 theory C; 50.30 H; 6.63 Found C; 50.55 H; 6.03 1 H-NMR (d-MeOD) δ: 7.325-7.256 (m, 5H, aromatic H) 5.673 (d, 1H, H-1a, J = 5.4Hz) 4.346 (d, 1H, H-1b, J = 7.6Hz) 1.716 (s, 3H, -CH 3) reference example 2 compound (2) 4.74 g (10 mM) and bis (tri n- butyltin)
Toluene-THF (30ml-30m) was added to oxide 11.92g (20mM).
It was dissolved in l), and THF was distilled off at appropriate time using a Dien-Stark apparatus under reflux stirring, and new THF was added, and this was repeated and stirred for 3 hours. Allyl bromide 6.05 g
(50 mM) and tetra-n-butylammonium bromide
1.61 g (5 mM) was added, and the mixture was heated with stirring overnight. After the reaction,
The solvent was distilled off, and the residue was directly subjected to column chromatography (chloroform / methanol / triethylamine = 90/1
0/2) to obtain 2.10 g of crystal (3a) (yield, 40.8%).
〔化合物(3a)の性質〕 m.p.147−149℃ Rf=0.30(クロロホルム/メタノール=10/1) 〔α▲〕20 D▼+40.5゜(C=0.60、MeOH) 元素分析値 C24H34O12=514.532 理論値 C;56.02 H;6.66 実測値 C;55.78 H;6.641 −NMR(CDCl3−MeOD)δ: 7.455-7.165(m, 5H, アロマチックH)、5.967 (m, 1H, 5.729(d, 1H, H-1a, J=5.5Hz)、5.333(dd, 1H, J=1.5、17.4Hz)、5.219(dd, 1H, J=1.5,10.4Hz)、4.395(d, 1H, H-1b, J=7.9Hz)、
4.227(ddt, 1H, J=1.2、5.8、12.8Hz)、4.152(ddt,1H, J=1.2、5.8、12.8Hz)、3.978(d, 1H, H-4b, J=2.7
Hz)、3.321(dd, 1H, H-3b, J=3.3、9.5Hz)、1.746
(s, 3H, -CH3)13 C‐NMR(MeOD)δ:106.194(C-1b)、98.870(C-1
a)、22.430(CH3) 参考例3 化合物(3a)を常法(Ac2O/Py/4-DMAP)によりアセチル
化し、化合物(3b)を得た。[Properties of compound (3a)] mp 147-149 ° C Rf = 0.30 (chloroform / methanol = 10/1) [α ▲] 20 D ▼ + 40.5 ° (C = 0.60, MeOH) Elemental analysis value C 24 H 34 O 12 = 514.532 theoretical value C; 56.02 H; 6.66 actual value C; 55.78 H; 6.64 1- NMR (CDCl 3 -MeOD) δ: 7.455-7.165 (m, 5H, aromatic H), 5.967 (m, 1H, 5.729 (d, 1H, H-1a, J = 5.5Hz), 5.333 (dd, 1H, J = 1.5, 17.4Hz), 5.219 (dd, 1H, J = 1.5, 10.4Hz), 4.395 (d, 1H, H-1b, J = 7.9Hz),
4.227 (ddt, 1H, J = 1.2, 5.8, 12.8Hz), 4.152 (ddt, 1H, J = 1.2, 5.8, 12.8Hz), 3.978 (d, 1H, H-4b, J = 2.7
Hz), 3.321 (dd, 1H, H-3b, J = 3.3, 9.5Hz), 1.746
(S, 3H, -CH 3 ) 13 C-NMR (MeOD) δ: 106.194 (C-1b), 98.870 (C-1
a), 22.430 (CH 3 ) Reference Example 3 The compound (3a) was acetylated by a conventional method (Ac 2 O / Py / 4-DMAP) to obtain a compound (3b).
〔化合物(3b)の性質〕 Rf=0.37(トルエン/酢酸エチル=1/1) 〔α▲〕20 D▼+16.0゜(C=1.00、CHCl3) 元素分析値 C34H44O17=724.72 理論値 C;56.35 H;6.12 実測値 C;56.44 H;6.051 H−NMR(CDCl3)δ: 7.367-7.162(m, 5H, アロマチックH)、5.767(m, 1
H, 5.624(d, 1H, H-1a, J=5.2Hz)、5.415(d, 1H, H-4
b, J=2.4Hz)、5.234(dd, 1H, J=1.5、17.4Hz)、5.172(dd, 1H, J=1.5、10.4Hz)、5.085(dd, IH, H-2b, J=7.9、9.
7Hz)、4.543(d, 1H, H-1b, J=7.9Hz)、3.493(dd,
1H, H-3b, J=3.7、10.1Hz)、2.157、2.116、2.094、
2.091、2.055、(5×5.5×3H, 5×OAc)、1.800(s, 3
H, 13C‐NMR(CDCl3)δ: 170.562、170.345、170.180、169.313、168.984(C=
0)、102.510(C-1b)、96.927(C-1a)、20.696(C
H3) 参考例4 50% NaH 2.7g(56mM)をDMF30mlに懸濁し、氷冷下、こ
れに、化合物(3a)4.32g(8.4mM)を少量づつ加えた。
室温にて、30分間撹拌後、ベンジルブロマイド9.6g(56
mM)を滴下し、2時間撹拌した。反応終了後、メタノー
ルを加え、過剰のNaHを不活化し、酢酸エチルで抽出し
た。抽出液を、水、飽和食塩水にて順次洗浄後、硫酸マ
グネシウムで乾燥し、溶媒を留去した。残渣をカラムク
ロマトグラフィー(トルエン/酢酸エチル/トリエチル
アミン=90/10/2)にて精製し、油状物(4)7.8g(収率、
96.2%)を得た。[Properties of compound (3b)] Rf = 0.37 (toluene / ethyl acetate = 1/1) [α ▲]20 D▼ + 16.0 ° (C = 1.00, CHClThree) Elemental analysis value C34H44O17= 724.72 Theoretical value C; 56.35 H; 6.12 Measured value C; 56.44 H; 6.051 H-NMR (CDCl3) Δ: 7.367-7.162 (m, 5H, aromatic H), 5.767 (m, 1
H,5.624 (d, 1H, H-1a, J = 5.2Hz), 5.415 (d, 1H, H-4
b, J = 2.4Hz), 5.234 (dd, 1H,J = 1.5, 17.4Hz), 5.172 (dd, 1H,J = 1.5, 10.4Hz), 5.085 (dd, IH, H-2b, J = 7.9, 9.
7Hz), 4.543 (d, 1H, H-1b, J = 7.9Hz), 3.493 (dd,
1H, H-3b, J = 3.7, 10.1Hz), 2.157, 2.116, 2.094,
2.091, 2.055, (5 x 5.5 x 3H, 5 x OAc), 1.800 (s, 3
H, 13C-NMR (CDCl3) Δ: 170.562, 170.345, 170.180, 169.313, 168.984 (C =
0), 102.510 (C-1b), 96.927 (C-1a), 20.696 (C
H3Reference example 4 2.7% (56 mM) of 50% NaH was suspended in 30 ml of DMF, and the suspension was cooled with ice.
To this, 4.32 g (8.4 mM) of compound (3a) was added little by little.
After stirring at room temperature for 30 minutes, benzyl bromide 9.6 g (56
mM) was added dropwise and the mixture was stirred for 2 hours. After completion of the reaction, methanol
To remove excess NaH and extract with ethyl acetate.
It was The extract is washed with water and saturated saline solution in that order and then washed with sodium sulfate.
It was dried over gnesium and the solvent was distilled off. Column residue
Chromatography (toluene / ethyl acetate / triethyl
Purified with amine = 90/10/2), 7.8 g of oil (4) (yield,
96.2%).
〔化合物(4)の性質〕 Rf=0.78(トルエン/酢酸エチル=6/1) [α▲]1 D▼±0゜(C=1.36、CHCl3) 元素分析値 C59H64O12=965.16 理論値 C;73.42 H;6.68 実測値 C;73.02 H;6.661 H−NMR(CDCl3)δ: 7.371-7.186(m, 30H, アロマチックH)、5.925 (m, 1H, 5.675(d, 1H, H-1a, J=5.4Hz)、5.324(dd, 1H, J=1.7、17.0OHz)、5.185(dd, 1H, J=1.7、10.5HZ)、3.839(d, 1H, H-4b, J=2.7H
z)、3.302(dd, 1H, H-3b, J=2.9、9.8Hz)、 1.725(S, 3H, -CH3)13 C‐NMR(CDCl3)δ: 105.163(C-1b)、97.525(C-1a)、21.076(‐CH3) 参考例5 アルガンジス雰囲気下、化合物(4)(6.9g、7.1mM)をジ
クロロエタン100mlに溶解し、事前に十分乾燥したM.S.4
A10gの入った褐色二口フラスコに注入した。これに、氷
冷下、トリメチルシリルトリフレート(TMSOTf)、1.4m
l(7.2mM)を注入し、30分間撹拌した。反応終了後、不
溶物をセライトよりろ去し、ろ液を飽和重ソウ水、飽和
食塩水にて順次洗浄した。硫酸マグネシウムで乾燥後、
溶媒を留去し、残渣をカラムクロマトグラフィー(トル
エン/酢酸エチル=9/1展開)にて精製し、油状物(5)6.
3g(収率、91.3%)を得た。[Properties of compound (4)] Rf = 0.78 (toluene / ethyl acetate = 6/1) [α ▲] 1 D ▼ ± 0 ° (C = 1.36, CHCl 3 ) Elemental analysis value C 59 H 64 O 12 = 965.16 Theoretical value C; 73.42 H; 6.68 Found value C; 73.02 H; 6.66 1 H-NMR (CDCl 3 ) δ: 7.371-7.186 (m, 30H, aromatic H), 5.925 (m, 1H, 5.675 (d, 1H, H-1a, J = 5.4Hz), 5.324 (dd, 1H, J = 1.7, 17.0OHz), 5.185 (dd, 1H, J = 1.7, 10.5HZ), 3.839 (d, 1H, H-4b, J = 2.7H
z), 3.302 (dd, 1H , H-3b, J = 2.9,9.8Hz), 1.725 (S, 3H, -CH 3) 13 C-NMR (CDCl 3) δ: 105.163 (C-1b), 97.525 ( C-1a), 21.076 (-CH 3) MS4 to reference example 5 under al Ganges atmosphere, the compound (4) (6.9g, 7.1mM) was dissolved in dichloroethane 100 ml, it was pre-dried sufficiently
It was poured into a brown two-necked flask containing 10 g of A. To this, under ice cooling, trimethylsilyl triflate (TMSOTf), 1.4m
l (7.2 mM) was injected and stirred for 30 minutes. After completion of the reaction, the insoluble matter was filtered off from Celite, and the filtrate was washed successively with saturated aqueous sodium bicarbonate solution and saturated brine. After drying with magnesium sulfate,
The solvent was distilled off, and the residue was purified by column chromatography (toluene / ethyl acetate = 9/1 development) to give an oil (5) 6.
3 g (yield, 91.3%) was obtained.
〔化合物(5)の性質〕 Rf=0.35(トルエン/酢酸エチル=8/1) [α▲]20 D▼−18.0゜(C=1.57、CHCl3) 元素分析値 C59H64O12=965.16 理論値 C;73.42 H;6.68 実測値 C;73.33 H;6.661 H−NMR(CDCl3)δ: 7.345-7.144(m, 30H, アロマチックH) 5.922(m, 1H, 5.319(dd, 1H,=CH2, J=1.5、17.4Hz) 5.173(dd, 1H,=CH2, J=1.5、10.4Hz) 5.043(dd, 1H, H-2a, J=7.9、9.5Hz) 3.848(d, 1H, H-4b, J=2.7Hz) 1.958(s, 3H, COCH3)13 C‐NMR(CDCl3)δ: 169.261(C=0)、102.835(C-1b)、99.745(C-1
a)、20.805(COCH3) 参考例6 化合物(5)5.3g(5.5mM)をメタノール40ml/THF20mlに溶
解し、これに0.2NNaOMe-メタノール溶液20mlを加え、終
夜撹拌した。反応溶液にアンバーリスト15を加え、中性
としたのち、ろ去し、ろ液を減圧濃縮した。残渣をカラ
ムクロマトグラフィー(トルエン/酢酸エチル=9/1で
展開)にて精製し、油状物(6)4.9g(収率、96.6%)を
得た。[Properties of compound (5)] Rf = 0.35 (toluene / ethyl acetate = 8/1) [α ▲] 20 D ▼ -18.0 ° (C = 1.57, CHCl 3 ) Elemental analysis value C 59 H 64 O 12 = 965.16 Theoretical value C; 73.42 H; 6.68 Found value C; 73.33 H; 6.66 1 H-NMR (CDCl 3 ) δ: 7.345-7.144 (m, 30H, aromatic H) 5.922 (m, 1H, 5.319 (dd, 1H, = CH 2 , J = 1.5, 17.4Hz) 5.173 (dd, 1H, = CH 2 , J = 1.5, 10.4Hz) 5.043 (dd, 1H, H-2a, J = 7.9, 9.5Hz ) 3.848 (d, 1H, H-4b, J = 2.7Hz) 1.958 (s, 3H, COCH 3 ) 13 C-NMR (CDCl 3 ) δ: 169.261 (C = 0), 102.835 (C-1b), 99.745 (C-1
a), 20.805 (CO C H 3 ) Reference Example 6 5.3 g (5.5 mM) of the compound (5) was dissolved in 40 ml of methanol / 20 ml of THF, and 20 ml of 0.2N NaOMe-methanol solution was added thereto, followed by stirring overnight. Amberlyst 15 was added to the reaction solution to make it neutral, then filtered off, and the filtrate was concentrated under reduced pressure. The residue was purified by column chromatography (developed with toluene / ethyl acetate = 9/1) to obtain 4.9 g of an oily product (6) (yield, 96.6%).
〔化合物(6)の製造〕 Rf=0.32(トルエン/酢酸エチル=7/1) [α▲]19 D▼−16.1゜(C=1.23、CHCl3) 元素分析値 C57H62O11=923.122 理論値 C;74.17 H;6.77 実測値 C;74.11 H;6.741 H−NMR(CDCl3)δ: 7.513-7.150(m, 30H, アロマチックH) 5.923(m, 1H, 5.320(dd, 1H, J=1.5、17.4Hz)、 5.173(dd, 1H, J=1.5、10.3Hz)、 4.372(d, 1H, H-1aまたはb、J=7.9Hz) 4.157(dt, 2H, アリルH) 3.864(d, 1H, H-4b, J=2.7Hz) 3.308(dd, 1H, H-3b, J=3.0、9.8Hz)13 C‐NMR(CDCl3)δ: 102.619(C-1b)、101.587(C-1a) 参考例7 化合物(6)3.23g(3.5mM)をピリジン10mlに溶解し、こ
れに過剰のピバロイルクロライド1ml(8.5mM)、及び触
媒量の4−ジメチルアミノピリジン(4−DMAP)を加
え、室温にて、終夜撹拌した。反応終了後、クロロホル
ムで抽出し、水、希塩酸及び飽和食塩水にて順次洗浄
後、硫酸マグネシウムで乾燥し、溶媒を留去した。残渣
をカラムクロマトグラフィー(トルエン/酢酸エチル=
10/1で展開)にて精製し、油状物(2)3.42g(収率、97.1
%)を得た。[Production of Compound (6)] Rf = 0.32 (toluene / ethyl acetate = 7/1) [α ▲] 19 D ▼ -16.1 ° (C = 1.23, CHCl 3 ) Elemental analysis value C 57 H 62 O 11 = 923.122 Theoretical value C; 74.17 H; 6.77 Found value C; 74.11 H; 6.74 1 H-NMR (CDCl 3 ) δ: 7.513-7.150 (m, 30H, aromatic H) 5.923 (m, 1H, 5.320 (dd, 1H, J = 1.5, 17.4Hz), 5.173 (dd, 1H, J = 1.5, 10.3Hz), 4.372 (d, 1H, H-1a or b, J = 7.9Hz) 4.157 (dt, 2H, allyl H) 3.864 (d, 1H, H-4b, J = 2.7Hz) 3.308 (Dd, 1H, H-3b, J = 3.0, 9.8Hz) 13 C-NMR (CDCl 3 ) δ: 102.619 (C-1b), 101.587 (C-1a) Reference Example 7 Compound (6) 3.23g (3.5 mM) was dissolved in 10 ml of pyridine, 1 ml (8.5 mM) of excess pivaloyl chloride and a catalytic amount of 4-dimethylaminopyridine (4-DMAP) were added, and the mixture was stirred at room temperature overnight. After completion of the reaction, the mixture was extracted with chloroform, washed successively with water, diluted hydrochloric acid and saturated saline, dried over magnesium sulfate, and the solvent was distilled off. Column chromatography of the residue (toluene / ethyl acetate =
(Developed on 10/1), 3.42 g of oil (2) (yield, 97.1
%) Was obtained.
〔化合物(7)の性質〕 Rf=0.44(トルエン/酢酸エチル=7/1) [α▲]20 D▼−20.5゜(C=0.96、CHCl3) 元素分析値 C62H70O12=1007.242 理論値 C; 73.93 H; 7.00 実測値 C; 74.10 H; 6.991 ‐NMR(CDCl3)δ: 7.329-7.098(m, 30H, アロマチックH) 5.917(m, 1H, 5.315(dd, 1H, J=1.5、17.1Hz)、 5.168(dd, 1H, J=1.5、10.7Hz)、 5.117(dd, 1H, H-2a、 J=7.9、9.5Hz) 4.463(d, 1H, H-1b, J=7.9Hz) 4.396(d, 1H, H-1a, J=7.9Hz) 3.828(d, 1H, H-4b, J=2.7Hz) 1.126(s, 9H, 3×CH 3)13 C‐NMR(CDCl3)δ: 176.517(C=0)、102.835(C-1b)、99.745(C-1
a)、27.090(CH3) 参考例8 化合物(7)3.22g(3.3mM)、パラジウムクロライド2.65g
(15mM)及び酢酸ナトリウム1.23g(15mM)を90%酢酸2
0mlに溶解し、室温にて、終夜撹拌した。反応混合物を
セライトを用いてろ過後、酢酸エチルで抽出し、水、飽
和重ソウ水、飽和食塩水で順次洗浄後、硫酸マグネシウ
ムにて乾燥し、溶媒を留去した。残渣をカラムクロマト
グラフィー(トルエン/酢酸エチル=9/1展開)にて精
製し、油状物(8)2.35g(収率、77.5%)を得た。[Properties of compound (7)] Rf = 0.44 (toluene / ethyl acetate = 7/1) [α ▲] 20 D ▼ -20.5 ° (C = 0.96, CHCl 3 ) Elemental analysis value C 62 H 70 O 12 = 1007.242 Theoretical C; 73.93 H; 7.00 Found C; 74.10 H; 6.99 1- NMR (CDCl 3 ) δ: 7.329-7.098 (m, 30H, aromatic H) 5.917 (m, 1H, 5.315 (dd, 1H, J = 1.5, 17.1Hz), 5.168 (dd, 1H, J = 1.5, 10.7Hz), 5.117 (dd, 1H, H-2a, J = 7.9, 9.5Hz) 4.463 (d, 1H, H-1b, J = 7.9Hz) 4.396 (d, 1H, H-1a, J = 7.9Hz) 3.828 (d, 1H, H-4b, J = 2.7Hz) 1.126 (s, 9H, 3 × C H 3 ) 13 C-NMR (CDCl 3 ) δ: 176.517 (C = 0), 102.835 (C-1b), 99.745 (C-1
a), 27.090 (CH 3 ) Reference Example 8 3.22 g (3.3 mM) of compound (7), 2.65 g of palladium chloride
(15 mM) and 1.23 g of sodium acetate (15 mM) in 90% acetic acid 2
It was dissolved in 0 ml and stirred overnight at room temperature. The reaction mixture was filtered through Celite, extracted with ethyl acetate, washed successively with water, saturated aqueous sodium hydrogen carbonate and saturated brine, dried over magnesium sulfate, and the solvent was evaporated. The residue was purified by column chromatography (toluene / ethyl acetate = 9/1 development) to obtain 2.35 g (yield, 77.5%) of an oily substance (8).
〔化合物(8)の性質〕 Rf=0.26(トルエン/酢酸エチル=6/1) [α▲]20 D▼−20.9゜(C=0.65、CHCl3) 元素分析値 C59H66O12・H2O=985.191 理論値 C;71.93 H;6.95 実測値 C;71.99 H;6.801 H‐NMR(CDCl3)δ: 7.361-7.131(m, 30H, アロマチックH) 5.130(dd, 1H, H-2a、 J=7.9、9.5Hz) 4.469(d, 1H, H-1aまたはb、J=7.9Hz) 4.054(t, 1H, H-4a, J=9.2Hz) 3.807(d, 1H, H-4b, J=3.0Hz) 1.135(s, 9H, CH 3×3)13 C‐NMR(CDCl3)δ: 176.517(C=0)、102.727(C-1b)、99.693(C-1
a)、27.090(CH3) 参考例9 アルゴンガス雰囲気下、化合物(8)1.35g(1.46mM)及び
(2)890mg(1.9mM)をニトロメタン20mlに溶解し、事前
に十分乾燥したM.S.4A3g、臭化第二銅620mg(2.8mM)、
及びシルバートリフレート720mg(2.8mM)の入った褐色
二口フラスコに注入し、室温にて、4時間撹拌した。反
応終了後、不溶物をセライトよりろ去し、ろ液をクロロ
ホルムで抽出し、水、飽和重ソウ水、飽和食塩水にて順
次洗浄後、硫酸マグネシウムで乾燥し、溶媒を留去し
た。残渣をカラムクロマトグラフィー(トルエン/酢酸
エチル=7/1展開)にて精製し、油状物(10)1.72g(収
率、85.1%)を得た。[Properties of compound (8)] Rf = 0.26 (toluene / ethyl acetate = 6/1) [α ▲] 20 D ▼ -20.9 ° (C = 0.65, CHCl 3 ) Elemental analysis value C 59 H 66 O 12・ H 2 O = 985.191 Theoretical value C; 71.93 H; 6.95 Found value C; 71.99 H; 6.80 1 H-NMR (CDCl 3 ) δ: 7.361-7.131 (m, 30H, aromatic H) 5.130 (dd, 1H, H- 2a, J = 7.9, 9.5Hz) 4.469 (d, 1H, H-1a or b, J = 7.9Hz) 4.054 (t, 1H, H-4a, J = 9.2Hz) 3.807 (d, 1H, H-4b , J = 3.0 Hz) 1.135 (s, 9H, C H 3 × 3) 13 C-NMR (CDCl 3 ) δ: 176.517 (C = 0), 102.727 (C-1b), 99.693 (C-1)
a), 27.090 (CH 3 ) Reference Example 9 1.35 g (1.46 mM) of the compound (8) under an argon gas atmosphere and
(2) 890 mg (1.9 mM) was dissolved in 20 ml of nitromethane, and 3 g of MS4A that had been sufficiently dried in advance, cupric bromide 620 mg (2.8 mM),
And 720 mg (2.8 mM) of silver triflate were poured into a brown two-necked flask, and the mixture was stirred at room temperature for 4 hours. After completion of the reaction, the insoluble matter was filtered off from Celite, the filtrate was extracted with chloroform, washed successively with water, saturated aqueous sodium bicarbonate solution and saturated brine, dried over magnesium sulfate, and the solvent was evaporated. The residue was purified by column chromatography (toluene / ethyl acetate = 7/1 development) to obtain 1.72 g (yield, 85.1%) of oil (10).
〔化合物(10)の性質〕 Rf=0.41(トルエン/酢酸エチル=3/1) [α▲]21 D▼−13.4゜(C=0.65、CHCl3) 元素分析値 C79H85NO21・H2O=1402.567 理論値 C; 67.65 H;6.25 N; 1.00 実測値 C; 67.84 H;5.98 N; 0.911 H‐NMR(CDCl3)δ: 7.629-6.881(m, 34H, アロマチックH)、5.849(dd,
1H, H-3C, J=9.1、10.1Hz)、5.611(d, 1H, H-1c, J
=8.5Hz)、5.133(dd, 1H, H-4c, J=9.1、10.1Hz)、
5.023(dd, 1H, H-2a, J=7.9.、9.5Hz)、3.536(d, 1
H, H-4b, J=3.0Hz)、2.045、1.966、1.831(3×s, 3
×3H, 3×OAc)、1.093(s, 9H, 13C‐NMR(CDCl3)δ: 176.517、170.345、169.851、169.418、167.363(C=
0)、102.454(C-1b)、99.745(C-1a)、99.476(C-1
c)、55.156(C-2c)、 27.144(ピバロイル CH3)、20.480、20.317(COCH3) 参考例10 化合物(10)1.48g(1.07mM)を2%ヒドラジン水和物エ
タノール溶液100mlに溶解し、終夜、還流撹拌した。反
応溶媒を減圧留去し、残渣の油状物を、無水酢酸/ピリ
ジン/4−ジメチルアミノピリジン(5ml/5ml/触媒量)に
溶解し、室温にて、3時間撹拌した。反応溶液を酢酸エ
チルで抽出し、水、希塩酸、飽和食塩水にて順次洗浄
後、硫酸マグネシウムで乾燥し、溶媒を留去した。残渣
をカラムクロマトグラフィー(トルエン/酢酸エチル=
2/1展開)にて精製し、油状物(11)1.27g(収率、91.6
%)を得た。[Properties of compound (10)] Rf = 0.41 (toluene / ethyl acetate = 3/1) [α ▲] 21 D ▼ -13.4 ° (C = 0.65, CHCl 3 ) Elemental analysis value C 79 H 85 NO 21・ H 2 O = 1402.567 Theoretical value C; 67.65 H; 6.25 N; 1.00 Actual value C; 67.84 H; 5.98 N; 0.91 1 H-NMR (CDCl 3 ) δ: 7.629-6.881 (m, 34H, aromatic H), 5.849 (Dd,
1H, H-3C, J = 9.1, 10.1Hz), 5.611 (d, 1H, H-1c, J
= 8.5Hz), 5.133 (dd, 1H, H-4c, J = 9.1, 10.1Hz),
5.023 (dd, 1H, H-2a, J = 7.9., 9.5Hz), 3.536 (d, 1
H, H-4b, J = 3.0Hz), 2.045, 1.966, 1.831 (3 × s, 3
× 3H, 3 × OAc), 1.093 (s, 9H, 13 C-NMR (CDCl 3 ) δ: 176.517, 170.345, 169.851, 169.418, 167.363 (C =
0), 102.454 (C-1b), 99.745 (C-1a), 99.476 (C-1
c), 55.156 (C-2c), 27.144 (pivaloyl C H 3 ), 20.480, 20.317 (CO C H 3 ) Reference Example 10 Compound (10) 1.48 g (1.07 mM) 2% hydrazine hydrate ethanol solution 100 ml And was stirred under reflux overnight. The reaction solvent was evaporated under reduced pressure, the residual oily substance was dissolved in acetic anhydride / pyridine / 4-dimethylaminopyridine (5 ml / 5 ml / catalytic amount), and the mixture was stirred at room temperature for 3 hours. The reaction solution was extracted with ethyl acetate, washed successively with water, dilute hydrochloric acid and saturated brine, dried over magnesium sulfate, and the solvent was evaporated. Column chromatography of the residue (toluene / ethyl acetate =
2/1 development), 1.27 g of oil (11) (yield, 91.6
%) Was obtained.
〔化合物(11)の性質〕 Rf=0.49(トルエン/酢酸エチル=1/1) [α▲]21 D▼−26.8゜(C=1.38、CHCl3) 元素分析値 C73H85NO20=1296.486 理論値 C; 67.63 H; 6.61 N;1.08 実測値 C; 67.69 H; 6.61 N;1.271 H‐NMR(CDCl3)δ: 7.429-7.116(m, 30H, アロマチックH) 5.106(dd, 1H, H-2a, J=7.9、9.5Hz) 3.893(d, 1H, H-4b, J=2.4Hz) 2.035、1.971、1.967(3×s, 3×3H, 3×‐OAc) 1.439(s, 3H, NAc)、1.128(s, 9H, ピバロイル C
H3)13 C‐NMR(CDCl3)δ: 176.517、170、562、170.284、169.695、169.201(C=
0)、102.562(C-1b)、102.129(C-1c)、99.745(C-
1a)、54.560(C-2c)、27.090(ピバロイル CH3)、2
2.647、20.426(COCH3) 参考例11 水素ガス雰囲気下、化合物(11)1.03g(0.795mM)及び10
%Pd-C 500mgのメタノール酢酸(20ml−5ml)溶液を室
温にて、終夜撹拌した。反応終了後、触媒をろ去し、溶
媒を濃縮後、残渣の油状物を、無水酢酸/ピリジン〜4
−ジメチルアミノピリジン(6ml/6ml/触媒量)に溶解
し、室温にて、3時間撹拌した。反応溶液を酢酸エチル
で抽出し、水、希塩酸、飽和食塩水で順次洗浄後、硫酸
マグネシウムで乾燥し、溶媒を留去した。残渣をカラム
クロマトグラフィー(トルエン/アセトン=2/1展開)
にて精製し、油状物(12)720g(収率、90.0%)を得た。[Properties of Compound (11)] Rf = 0.49 (toluene / ethyl acetate = 1/1) [α ▲] 21 D ▼ -26.8 ° (C = 1.38, CHCl 3 ) Elemental analysis value C 73 H 85 NO 20 = 1296.486 Theoretical value C; 67.63 H; 6.61 N; 1.08 Found value C; 67.69 H; 6.61 N; 1.27 1 H-NMR (CDCl 3 ) δ: 7.429-7.116 (m, 30H, aromatic H) 5.106 (dd, 1H, H-2a, J = 7.9, 9.5Hz) 3.893 (d, 1H, H-4b, J = 2.4Hz) 2.035, 1.971, 1.967 (3 × s, 3 × 3H, 3 × -OAc) 1.439 (s, 3H , NAc), 1.128 (s, 9H, pivaloyl C
H 3 ) 13 C-NMR (CDCl 3 ) δ: 176.517, 170, 562, 170.284, 169.695, 169.201 (C =
0), 102.562 (C-1b), 102.129 (C-1c), 99.745 (C-
1a), 54.560 (C-2c), 27.090 (Pivaloyl C H 3 ), 2
2.647, 20.426 (CO C H 3 ) Reference Example 11 Under hydrogen gas atmosphere, compound (11) 1.03 g (0.795 mM) and 10
A solution of 500 mg of% Pd-C in methanol (20 ml-5 ml) was stirred overnight at room temperature. After completion of the reaction, the catalyst was filtered off, the solvent was concentrated, and the residual oily substance was converted into acetic anhydride / pyridine ~ 4
-Dissolved in dimethylaminopyridine (6 ml / 6 ml / catalyst amount) and stirred at room temperature for 3 hours. The reaction solution was extracted with ethyl acetate, washed successively with water, diluted hydrochloric acid and saturated brine, dried over magnesium sulfate, and the solvent was evaporated. Column chromatography of the residue (toluene / acetone = 2/1 development)
The oily substance (12) (720 g, yield, 90.0%) was obtained.
〔化合物(12)の性質〕 Rf=0.45、0.47(トルエン/アセトン=1/1)α/β(1
/1)混合物 元素分析値 C43H61NO26・1/2 H2O=1016.963 理論値 C; 50.79 H; 6.14 N; 1.38 実測値 C; 50.58 H; 6.00 N; 1.411 H‐NMR(CDCl3)δ: 6.294(d, 1H, H-1aα, J=3.7Hz)、5.701(d, 1H, H-
1aβ, J=8.2Hz)、2.166-1.913(ms, 30H, COCH3)、
1.135、1.122(2×s, 9H, ピバロイル CH 3)13 C‐NMR(CDCl3)δ: 177.115-168.664(C=0)、100.885、100.503、99.74
5、91.726、88.800(C-1)、56.023(C-2c)、26.873、
26.765(ピバロイル CH 3)、 20.750、20.642(COCH 3) 参考例12 化合物(12)630g(0.625mM)をDMF5mlに溶解し、これに
ヒドラジン・酢酸塩92mg(1mM)を加え、室温にて、1
時間撹拌した。反応溶液を酢酸エチルで抽出し、水、希
塩酸、飽和食塩水で順次洗浄後、硫酸マグネシウムで乾
燥し、溶媒を留去した。残渣をカラムクロマトグラフィ
ー(トルエン/アセトン=2/1展開)にて精製し、油状
物(13)610g(収率、定量的)を得た。[Properties of compound (12)] Rf = 0.45, 0.47 (toluene / acetone = 1/1) α / β (1
/ 1) Mixture Elemental analysis C 43 H 61 NO 26・ 1/2 H 2 O = 1016.963 Theoretical value C; 50.79 H; 6.14 N; 1.38 Found value C; 50.58 H; 6.00 N; 1.41 1 H-NMR (CDCl 3 ) δ: 6.294 (d, 1H, H-1aα, J = 3.7Hz), 5.701 (d, 1H, H-
1aβ, J = 8.2Hz), 2.166-1.913 (ms, 30H, CO C H 3 ),
1.135, 1.122 (2 × s, 9H, pivaloyl C H 3 ) 13 C-NMR (CDCl 3 ) δ: 177.115-168.664 (C = 0), 100.885, 100.503, 99.74
5, 91.726, 88.800 (C-1), 56.023 (C-2c), 26.873,
26.765 (Pivaloyl C H 3 ), 20.750, 20.642 (COC H 3 ) Reference Example 12 Compound (12) 630 g (0.625 mM) was dissolved in DMF 5 ml, and hydrazine / acetate 92 mg (1 mM) was added thereto, and the mixture was stirred at room temperature 1
Stir for hours. The reaction solution was extracted with ethyl acetate, washed successively with water, diluted hydrochloric acid and saturated brine, dried over magnesium sulfate, and the solvent was evaporated. The residue was purified by column chromatography (toluene / acetone = 2/1 development) to obtain 610 g (yield, quantitative) of an oily substance (13).
〔化合物(13)の性質〕 Rf=0.36(トルエン/アセトン=1/1) [α▲]21 D▼+43.8゜(C=0.63、CHCl3) 元素分析値 C41H59NO25=965.919 理論値 C; 50.98 H; 6.15 N; 1.45 実測値 C; 51.26 H; 6.10 N; 1.401 H‐NMR(CDCl3)δ: 5.554(t, 1H, H-3c, J=9.8Hz) 5.335(d, 1H, H-4b, J=3.7Hz) 2.145-1.912(ms, 27H、COCH 3) 1.179(s, 9H, ピバロイル CH3)13 C‐NMR(CDCl3)δ: 177.818-164.433(C=0)、100.560、99.745、 98.873、98.119、95.575、90.048(C-1)、56.185(C-2
c)、26.982(ピバロイル CH3)、20.696(COCH 3) 参考例13 アルゴンガス雰囲気下、化合物(13)386mg(0.4mM)及び
トリクロロアセトニトリル288mg(2mM)をジクロロエタ
ン5に溶解し、氷冷下、DBU61mg(0.4mM)を加え、2時
間撹拌した。反応混合物は、そのまま、直接カラムクロ
マトグラフィー(トルエン/アセトン=2/1展開)にて
精製し、油状物(14)368g(収率、82.9%)を得た。[Properties of compound (13)] Rf = 0.36 (toluene / acetone = 1/1) [α ▲] 21 D ▼ + 43.8 ° (C = 0.63, CHCl 3 ) Elemental analysis value C 41 H 59 NO 25 = 965.919 Theoretical value C; 50.98 H; 6.15 N; 1.45 Found value C; 51.26 H; 6.10 N; 1.40 1 H-NMR (CDCl 3 ) δ: 5.554 (t, 1H, H-3c, J = 9.8 Hz) 5.335 (d , 1H, H-4b, J = 3.7Hz) 2.145-1.912 (ms, 27H, COC H 3) 1.179 (s, 9H, pivaloyl CH 3) 13 C-NMR ( CDCl 3) δ: 177.818-164.433 (C = 0), 100.560, 99.745, 98.873, 98.119, 95.575, 90.048 (C-1), 56.185 (C-2)
c), 26.982 (pivaloyl CH 3), 20.696 (COC H 3) Reference Example 13 Under argon gas atmosphere, the compound (13) 386mg (0.4mM) and trichloroacetonitrile 288 mg (2 mM) was dissolved in dichloroethane 5, under ice-cooling , DBU 61 mg (0.4 mM) was added and stirred for 2 hours. The reaction mixture was directly purified by column chromatography (toluene / acetone = 2/1 development) to obtain 368 g of an oily substance (14) (yield, 82.9%).
〔化合物(14)の性質〕 Rf=0.45(トルエン/アセトン=1/1) [α▲]21 D▼+58.9゜(C=0.55、CHCl3 1 H‐NMR(CDCl3)δ: 8.655(s, 1H, =NH)、6.505(d, 1H, H-1a, J=3.7H
z)、5.578(t, 1H, H-3c, J=9.8Hz)、 5.342(d, 1H, H-4b, J=3.OHz)、3.302(t, 1H, H-2
c, J=7.9Hz) 2.124、2.118、2.112、2.103、2.087、 2.022、2015、1.922(9×s, 9×3H, 9×COCH3)、1.13
2(s, 9H, ピバロイル CH3) 参考例14 アルゴンガス雰囲気下、化合物(13)161mg(0.166mM)を
ジクロロエタン−THF(4ml−1ml)溶液に溶解し、これ
に、氷冷下、ジエチルアミノサルファトリフルオライド
(DAST)43μ(0.35mM)を加え、30分間撹拌した。反
応終了後、氷水を加え、酢酸エチルで抽出し、飽和重ソ
ウ水、飽和食塩水にて順次洗浄した。硫酸マグネシウム
で乾燥後、溶媒を留去し、残渣をカラムクロマトグラフ
ィー(トルエン/アセトン=2/1展開)にて精製し、油
状物(15)112mg(収率、72.2%)(α/β=1/5)を得
た。[Properties of Compound (14)] Rf = 0.45 (toluene / acetone = 1/1) [α ▲] 21 D ▼ + 58.9 ° (C = 0.55, CHCl 3 1 H-NMR (CDCl 3 ) δ: 8.655 ( s, 1H, = NH), 6.505 (d, 1H, H-1a, J = 3.7H
z), 5.578 (t, 1H, H-3c, J = 9.8Hz), 5.342 (d, 1H, H-4b, J = 3.OHz), 3.302 (t, 1H, H-2)
c, J = 7.9Hz) 2.124, 2.118, 2.112, 2.103, 2.087, 2.022, 2015, 1.922 (9 × s, 9 × 3H, 9 × COCH 3 ), 1.13
2 (s, 9H, pivaloyl CH 3 ) Reference Example 14 Under an argon gas atmosphere, 161 mg (0.166 mM) of compound (13) was dissolved in a dichloroethane-THF (4 ml-1 ml) solution, and this was cooled with ice and diethylaminosulfa. Trifluoride (DAST) 43μ (0.35mM) was added and stirred for 30 minutes. After the reaction was completed, ice water was added, the mixture was extracted with ethyl acetate, and washed successively with saturated sodium bicarbonate water and saturated saline. After drying over magnesium sulfate, the solvent was distilled off, and the residue was purified by column chromatography (toluene / acetone = 2/1 development) to obtain 112 mg of an oily substance (15) (yield, 72.2%) (α / β = 1/5) got.
〔化合物(15)の性質〕 Rf=0.44(トルエン/アセトン=1/1) [α▲]20 D▼+30.5゜(C=0.38、CHCl3 元素分析値 C41H58NO24F=967.91 理論値 C; 50.88 H;6.04 N; 1.45 F; 1.96 実測値 C; 50.94 H;5.95 N; 1.38 F; 2.051 H‐NMR(CDC3)δ: 5.687(dd, 1H, H-1aα, J=2.6、53Hz)、 5.495(dd, 1H, H-3c, J=9.2、98Hz)、5.339(d, 1H,
H-4b, J=3.0Hz)、5.314(dd, 1H, H-1aβ, J=5.8、
52.5z)、5.196(t, 1H, H-2a, J=7.9Hz)、2.149-1.9
13(ms, 27H, COCH3)、 1.192(s, 9H, ピバロイル CH3) 実施例1 アルゴンガス雰囲気下、イミデート(14)55.0mg(0.05m
M)及びシリルセラミド(16)57.4mg(0.064mM)をクロロ
ホルム2mlに溶解し、事前に十分乾燥したM.S.4A 300mg
の入った褐色二口フラスコに注入した。これにトリメチ
ルシリルトリフレート(TMSOTf)、9μ(0.05mM)を
注入し、室温にて1時間撹拌した。反応終了後、不溶物
をセライトよりろ去し、ろ液を飽和重ソウ水、飽和食塩
水にて、順次洗浄後、硫酸マグネシウムで乾燥し、溶媒
を留去した。残渣をカラムクロマトグラフィー(トルエ
ン/アセトン=10/1〜4/1で展開)にて精製し、油状物
(17)48.1mg(収率、52.4%)を得た。また加水分解物
(13)4.6mg(収率、8.4%)及びシリルセラミド(16)2
9.1mg(収率、50.7%)を回収した。[Properties of compound (15)] Rf = 0.44 (toluene / acetone = 1/1) [α ▲] 20 D ▼ + 30.5 ° (C = 0.38, CHCl 3 elemental analysis value C 41 H 58 NO 24 F = 967.91 Theoretical C; 50.88 H; 6.04 N; 1.45 F; 1.96 Found C; 50.94 H; 5.95 N; 1.38 F; 2.05 1 H-NMR (CDC 3 ) δ: 5.687 (dd, 1H, H-1aα, J = 2.6, 53Hz), 5.495 (dd, 1H, H-3c, J = 9.2, 98Hz), 5.339 (d, 1H,
H-4b, J = 3.0Hz), 5.314 (dd, 1H, H-1aβ, J = 5.8,
52.5z), 5.196 (t, 1H, H-2a, J = 7.9Hz), 2.149-1.9
13 (ms, 27H, COCH 3 ), 1.192 (s, 9H, pivaloyl CH 3 ) Example 1 Imidate (14) 55.0 mg (0.05 m
M) and silyl ceramide (16) 57.4 mg (0.064 mM) dissolved in 2 ml of chloroform, and sufficiently dried in advance MS4A 300 mg
It was poured into a brown two-necked flask containing. Trimethylsilyl triflate (TMSOTf) and 9 μ (0.05 mM) were injected into this, and the mixture was stirred at room temperature for 1 hour. After the reaction was completed, the insoluble matter was filtered off from Celite, and the filtrate was washed successively with saturated sodium bicarbonate water and saturated saline and dried over magnesium sulfate, and the solvent was evaporated. The residue was purified by column chromatography (developed with toluene / acetone = 10/1 to 4/1) to give an oil.
(17) 48.1 mg (yield, 52.4%) was obtained. In addition, hydrolyzate (13) 4.6 mg (yield, 8.4%) and silylceramide (16) 2
9.1 mg (yield, 50.7%) was recovered.
〔化合物(17)の性質〕 Rf=0.43(トルエン/アセトン=2/1) [α▲]21 D▼−3.7゜(C=0.46、CHCl3 元素分析値 C99H158N2O27Si=1836.445 理論値 C; 64.75 H; 8.67 N; 1.53 実測値 C; 64.84 H; 8.71 N; 1.491 H‐NMR(CDCl3)δ: 7.689-7.268(m, 5H, アロマチック H) 5.333(d, 1H, H-4b, J=3.4Hz)、5.015(d, 1H, H-1
c, J=7.9Hz)、4.419(d, 1H, H-1b, J=7.9Hz)、4.3
13(d, 1H, H-1a, J=7.9Hz)2.123、2.119、2.113、2.
089、2.034、2.024、2.014、2.000、1.917(9×s, 9×
3H, 9×Ac、1.124(s, 9H, ピバロイル CH3)、0.995
(s, 9H, t-プチル)、0.880(2×t, 2×3H, 2×Cer
(‐CH3), J=5.5Hz) 実施例2 アルゴンガス雰囲気下、イミデート(14)55.0mg(0.05m
M)及びシリルセラミド(16)57.4mg(0.064mM)をクロロ
ホルム3mlに溶解し、事前に十分乾燥したM.S.(A.W.30
0)100mgの入った褐色二口フラスコに注入した。これに
氷冷下、BF3・Et2O 7μ(0.05mM)を注入し、1.5時間
撹拌した。反応終了後、不溶物をセライトよりろ去し、
ろ液を飽和重ソウ水、飽和食塩水にて順次洗浄後、硫酸
マグネシウムで乾燥し、溶媒を留去した。残渣をカラム
クロマトグラフィー(トルエン/アセトン=10/1〜4/1
で展開)にて精製し、油状物(17)21.8mg(収率、23.7
%)及び未知化合物22.5mg(収率、40.9%)を得た。[Properties of Compound (17)] Rf = 0.43 (toluene / acetone = 2/1) [α ▲] 21 D ▼ -3.7 ° (C = 0.46, CHCl 3 elemental analysis value C 99 H 158 N 2 O 27 Si = 1836.445 Theoretical C; 64.75 H; 8.67 N; 1.53 Found C; 64.84 H; 8.71 N; 1.49 1 H-NMR (CDCl 3 ) δ: 7.689-7.268 (m, 5H, aromatic H) 5.333 (d, 1H , H-4b, J = 3.4Hz), 5.015 (d, 1H, H-1
c, J = 7.9Hz), 4.419 (d, 1H, H-1b, J = 7.9Hz), 4.3
13 (d, 1H, H-1a, J = 7.9Hz) 2.123, 2.119, 2.113, 2.
089, 2.034, 2.024, 2.014, 2.000, 1.917 (9 x s, 9 x
3H, 9 × Ac, 1.124 (s, 9H, pivaloyl CH 3 ), 0.995
(S, 9H, t-butyl), 0.880 (2 × t, 2 × 3H, 2 × Cer
(-CH 3), J = 5.5Hz ) Example 2 Under atmosphere of argon, imidate (14) 55.0mg (0.05m
M) and 57.4 mg (0.064 mM) of silyl ceramide (16) were dissolved in 3 ml of chloroform, and MS (AW30
0) Injected into a brown two-necked flask containing 100 mg. Under ice cooling, BF 3 · Et 2 O 7 μ (0.05 mM) was injected, and the mixture was stirred for 1.5 hours. After completion of the reaction, insoluble matter was removed by filtration from Celite,
The filtrate was washed successively with saturated aqueous sodium bicarbonate solution and saturated brine, dried over magnesium sulfate, and the solvent was evaporated. Column chromatography of the residue (toluene / acetone = 10/1 to 4/1
21.8 mg of oily substance (17) (yield, 23.7 mg).
%) And 22.5 mg of an unknown compound (yield, 40.9%).
実施例3 アルゴンガス雰囲気下、フルオライド(15)49.0mg(0.05
mM)及びシリルセラミド(16)57.4mgをクロロホルム2ml
に溶解し、事前に十分乾燥したM.S.4A300mg、シルバー
トリフレート(AgOTf、16mg、0.064mM)及び第一塩化ス
ズ(SnCl2、12mg、0.064mM)の入った褐色二口フラスコ
に注入し、室温にて、4時間撹拌した。反応終了後、不
溶物をセライトよりろ去し、ろ液を飽和重ソウ水、飽和
食塩水にて順次洗浄後、硫酸マグネシウムで乾燥し、溶
媒を留去した。残渣をカラムクロマトグラフィー(トル
エン/アセトン=10/1〜5/1で展開)にて精製し、油状
物(17)27.2mg(収率、29.6%)を得た。Example 3 49.0 mg (0.05) of fluoride (15) under an argon gas atmosphere
mM) and 57.4 mg of silyl ceramide (16) in 2 ml of chloroform.
Injected into a brown two-necked flask containing 300 mg of MS4A, silver triflate (AgOTf, 16 mg, 0.064 mM) and stannous chloride (SnCl 2 , 12 mg, 0.064 mM) that had been thoroughly dried and dissolved at room temperature. Stir for 4 hours. After completion of the reaction, the insoluble matter was removed by filtration from Celite, and the filtrate was washed with saturated sodium bicarbonate water and saturated saline solution in that order, dried over magnesium sulfate, and the solvent was evaporated. The residue was purified by column chromatography (developed with toluene / acetone = 10/1 to 5/1) to obtain 27.2 mg (yield, 29.6%) of an oily substance (17).
またフルオライド(15)32.2mg(収率、65.7%)及びシリ
ルセラミド(16)39.8mg(収率、69.8%)を回収した。In addition, 32.2 mg (yield, 65.7%) of fluoride (15) and 39.8 mg (yield, 69.8%) of silylceramide (16) were recovered.
実施例4 化合物(17)13.2mg(0.0072mM)をメタノール−THF(1
−1ml)溶液に溶解し、これに、テトラn−ブチルアン
モニウムフルオライド20μ(0.076mM)を加え、室温
にて、終夜撹拌した。反応終了後、溶媒を留去し、残渣
をメタノールークロロホルム(1−1ml)溶液に溶解
し、これに0.2N NaOMe−メタノール溶液1に加え、室温
にて、終夜撹拌した。薄層上、若干の不純物が確認され
たので、さらに精製のため、溶媒を留去後、無水酢酸/
ピリジン/4−ジメチルアミノピリジン(0.5ml/0.5ml/触
媒量)にて処理し、アセチル化後、カラムクロマトグラ
フィー(トルエン/アセトン=4/1で展開)にて精製
し、このものを、0.2N NaOMe/MeOH−CHCl3(0.5ml/0.5m
l−0.5ml)処理し、脱アセチル化後、ゲルろ過法(LH−
20、クロロホルム/メタノール/水=60/40/4.6)にて
精製し、標的化合物(18)6.0mg(収率、71.0%)を得
た。Example 4 13.2 mg (0.0072 mM) of the compound (17) was added to methanol-THF (1
−1 ml) solution, tetran-butylammonium fluoride 20 μ (0.076 mM) was added thereto, and the mixture was stirred at room temperature overnight. After completion of the reaction, the solvent was distilled off, the residue was dissolved in a methanol-chloroform (1-1 ml) solution, 0.2N NaOMe-methanol solution 1 was added thereto, and the mixture was stirred at room temperature overnight. Since some impurities were confirmed on the thin layer, the solvent was distilled off for further purification.
Treated with pyridine / 4-dimethylaminopyridine (0.5 ml / 0.5 ml / catalyst amount), acetylated and purified by column chromatography (developed with toluene / acetone = 4/1) to give 0.2 N NaOMe / MeOH-CHCl 3 (0.5 ml / 0.5 m
l-0.5 ml), deacetylation, gel filtration (LH-
20, chloroform / methanol / water = 60/40 / 4.6) to obtain 6.0 mg (yield, 71.0%) of the target compound (18).
〔化合物(18)の性質〕 Rf=0.67(n-BuOH/EtOH/H2O=2/1/1) [α▲]21 D▼±0.0゜(C=0.05、CHCl3 1 H‐NMR(d6−DMSO,40℃)δ: 5.544(dtt, 1H, H-5′ Cer, J=7.0、15.OHz) 5.357(dd, 1H, H-4′ Cer, J=7.0、15.2Hz) 4.629(d, 1H, H-1c, J=7.9Hz) 4.270(d, 1H, H-1b, J=6.7Hz) 4.169(d, 1H, H-1a, J=7.6Hz) 3.051(t, 1H, H-2a, J=7.9Hz) 2.028(t, 1H, H-2′ Cer, J=7.3Hz) 1.833(s, 3H, -COCH3) 0.853(t, 6H, 2×Cer(‐CH3) 参考例15 化合物(22)7.7g(10mM)をメタノール70mlに溶解し、
これに0.2N NaOMe−メタノール溶液10mlを加え、室温に
て1時間撹拌した。反応終了後、アンバーリスト15を加
え反応液を中和後、不溶物をろ去し、ろ液を減圧濃縮し
た。残渣をカラムクロマトグラフィー(トルエン/アセ
トン=1/2展開)にて精製し、油状物(23)6.01g(実量
的)を得た。[Properties of Compound (18)] Rf = 0.67 (n-BuOH / EtOH / H 2 O = 2/1/1) [α ▲] 21 D ▼ ± 0.0 ° (C = 0.05, CHCl 3 1 H-NMR ( d 6 −DMSO, 40 ° C) δ: 5.544 (dtt, 1H, H-5 ′ Cer, J = 7.0, 15.OHz) 5.357 (dd, 1H, H-4 ′ Cer, J = 7.0, 15.2Hz) 4.629 (D, 1H, H-1c, J = 7.9Hz) 4.270 (d, 1H, H-1b, J = 6.7Hz) 4.169 (d, 1H, H-1a, J = 7.6Hz) 3.051 (t, 1H, H-2a, J = 7.9Hz) 2.028 (t, 1H, H-2 'Cer, J = 7.3Hz) 1.833 (s, 3H, -COCH 3 ) 0.853 (t, 6H, 2 × Cer (-CH 3 )) Reference Example 15 7.7 g (10 mM) of compound (22) was dissolved in 70 ml of methanol,
To this, 10 ml of 0.2N NaOMe-methanol solution was added and stirred at room temperature for 1 hour. After the reaction was completed, Amberlyst 15 was added to neutralize the reaction solution, the insoluble material was filtered off, and the filtrate was concentrated under reduced pressure. The residue was purified by column chromatography (toluene / acetone = 1/2 development) to obtain 6.01 g (actual amount) of an oil (23).
〔化合物(23)の性質〕 Rf=0.64(クロロホルム/メタノール=4/1) [α▲]18 D▼−9.4゜(C=1.3、CHCl3 元素分析値 C30H35NO12=601.613 理論値 C; 59.89 H; 5.86 N; 2.33 実測値 C; 59.65 H; 5.93 N; 2.301 H‐NMR(CDCl3)δ: 7.791-7.166(m, 9H, アロマチックH) 5.703(m, 一H, 5.167(d, 1H, H-1a, J=8.2Hz) 5.098(dd, 1H, J=1.5、17.1Hz) 5.016(dd, 1H, J=1.2、10.4Hz) 4.627、4.577(2×d, 2H, -CH2 φ、 J=12.2Hz)13 C‐NMR(CDCl3)δ: 168.395(C=0)、103.486(C-1b)、97.361(c-1
a)、56.348(C-2a) 参考例16 化合物(23)5.72g(9.5mM)をDMF20mlに溶解し、これ
に、ジメトキシプロパン4.0g(38mM)及びp-TsOH 200mg
を加え、室温にて終夜撹拌した。反応終了後、トリエチ
ルアミンを加え中和後、酢酸エチルで抽出し、飽和重ソ
ウ水、食塩水にて順次洗浄後、硫酸マグネシウムで乾燥
し溶媒を留去した。残渣をメタノールに溶解し、これに
アンバーリスト15を加え室温にて10分間撹拌後、ろ去
し、ろ液を減圧留去した。残渣をカラムクロマトグラフ
ィー(アセトン/トルエン=1/2展開)にて精製し、化
合物(24)4.68g(Y.76.8%)及び化合物(25)520mg
(Y.8.5%)を得た。[Properties of compound (23)] Rf = 0.64 (chloroform / methanol = 4/1) [α ▲] 18 D ▼ -9.4 ° (C = 1.3, CHCl 3 elemental analysis value C 30 H 35 NO 12 = 601.613 theoretical value C; 59.89 H; 5.86 N; 2.33 Found C; 59.65 H; 5.93 N; 2.30 1 H-NMR (CDCl 3 ) δ: 7.791-7.166 (m, 9H, aromatic H) 5.703 (m, one H, 5.167 (d, 1H, H-1a, J = 8.2Hz) 5.098 (dd, 1H, J = 1.5, 17.1Hz) 5.016 (dd, 1H, J = 1.2, 10.4Hz) 4.627, 4.577 (2 × d, 2H, -CH 2 φ, J = 12.2Hz) 13 C-NMR (CDCl 3 ) δ: 168.395 (C = 0), 103.486 (C-1b) , 97.361 (c-1
a), 56.348 (C-2a) Reference Example 16 5.72 g (9.5 mM) of the compound (23) was dissolved in 20 ml of DMF, and 4.0 g (38 mM) of dimethoxypropane and 200 mg of p-TsOH were dissolved therein.
Was added, and the mixture was stirred at room temperature overnight. After completion of the reaction, triethylamine was added for neutralization, followed by extraction with ethyl acetate. The extract was washed successively with saturated aqueous sodium bicarbonate solution and brine, dried over magnesium sulfate and the solvent was distilled off. The residue was dissolved in methanol, Amberlyst 15 was added thereto, and the mixture was stirred at room temperature for 10 minutes, filtered off, and the filtrate was evaporated under reduced pressure. The residue was purified by column chromatography (acetone / toluene = 1/2 development), compound (24) 4.68 g (Y.76.8%) and compound (25) 520 mg.
(Y.8.5%) was obtained.
〔化合物(4)の性質〕 Rf=0.43(トルエン/アセトン=3/2) [α▲]22 D▼+6.5゜(C=0.8、CHCl3) 元素分析値 C33H39NO12=641.679 理論値 C; 61.77 H; 6.13 N; 2.18 実測値 C; 61.75 H; 6.13 N; 2.161 H‐NMR(CDCl3)δ: 7.84-7.15(m, 9H, アロマチックH) 5.708(m, 1H, 5.224(d, 1H, H-1a, J=8.2Hz) 5.115(dd, 1H, J=1.5、17.4Hz) 5.034(dd, 1H, J=1.5、10.4Hz) 4.680、4.585(2×d, 2H, CH 2φ、 J=12.2Hz) 4.239(d, 1H, H-1b, J=8.2Hz) 1.496、1.326(2×s, 6H, 13C‐NMR(CDCl3)δ: 167.901(C=0)、110.039 102.944(C-1b)、97.309(c-1a)、56.023(C-2a)、2
7.794、26.060 〔化合物(25)の性質〕 Rf=0.28(トルエン/アセトン=3/2) [α▲]22 D▼−16.6゜(C=0.88、CHCl3) 元素分析値 C33H39NO12=641.679 理論値 C; 61.77 H; 6.13 N; 2.18 実測値 C; 61.82 H; 6.15 N; 2.121 H‐NMR(CDCl3)δ: 7.85-7.16(m, 9H, アロマチックH) 5.729(m, 一H, 5.287(d, 1H, H-1a, J=8.5Hz) 5.130(dd, 1H, J=1.8、17.4Hz) 5.049(dd, 1H, J=1.5、10.4Hz) 4.685、4.597(2×d, 2H, φ CH 2, J=12.2Hz) 4.264(d, 1H, H-1b, J=7.9Hz) 4.043(ddt, 1H, J=1.2、6.4、13.1Hz)、1.405、1.381(2×S, 6H, )13 C‐NMR(CDCl3)δ: 168.117(C=0)、130.594(C-1b)、98.986 97.469(C-1a)、56.131(C-2a)、29.040、18.638 参考例17 化合物(24)920mg(1.43mM)及びベンジルブロマイド
4.8g(28mM)を乾燥DMF10mlに溶解し、これに酸化銀3.3
g(14mM)及びヨウ化カリウム2.3g(14mM)を加え、氷
冷下、3時間撹拌した。反応終了後、反応溶液を酢酸エ
チルで希釈し、不溶物をセライトよりろ去した。ろ液
を、水、飽和重ソウ水、希塩酸、飽和食塩水にて順次洗
浄後、硫酸マグネシウムで乾燥し、溶媒を留去した。残
渣をカラムクロマトグラフィー(トルエン/酢酸エチル
=10/1展開)にて精製し、油状物(26)1.21g(Y.92.3
%)を得た。[Properties of compound (4)] Rf = 0.43 (toluene / acetone = 3/2) [α ▲] 22 D ▼ + 6.5 ° (C = 0.8, CHCl 3 ) Elemental analysis value C 33 H 39 NO 12 = 641.679 Theoretical value C; 61.77 H; 6.13 N; 2.18 Found value C; 61.75 H; 6.13 N; 2.16 1 H-NMR (CDCl 3 ) δ: 7.84-7.15 (m, 9H, aromatic H) 5.708 (m, 1H, 5.224 (d, 1H, H-1a, J = 8.2Hz) 5.115 (dd, 1H, J = 1.5, 17.4Hz) 5.034 (dd, 1H, J = 1.5, 10.4Hz) 4.680, 4.585 (2 × d, 2H, C H 2 φ, J = 12.2Hz) 4.239 (d, 1H, H-1b, J = 8.2Hz) 1.496, 1.326 (2 × s, 6H, 13 C-NMR (CDCl 3 ) δ: 167.901 (C = 0), 110.039 102.944 (C-1b), 97.309 (c-1a), 56.023 (C-2a), 2
7.794, 26.060 [Properties of compound (25)] Rf = 0.28 (toluene / acetone = 3/2) [α ▲] 22 D ▼ -16.6 ° (C = 0.88, CHCl 3 ) Elemental analysis value C 33 H 39 NO 12 = 641.679 Theory Value C; 61.77 H; 6.13 N; 2.18 Found C; 61.82 H; 6.15 N; 2.12 1 H-NMR (CDCl 3 ) δ: 7.85-7.16 (m, 9H, aromatic H) 5.729 (m, one H, 5.287 (d, 1H, H-1a, J = 8.5Hz) 5.130 (dd, 1H, J = 1.8, 17.4Hz) 5.049 (dd, 1H, J = 1.5,10.4Hz) 4.685,4.597 (2 × d, 2H, φ CH 2, J = 12.2Hz) 4.264 (d, 1H, H-1b, J = 7.9Hz) 4.043 (ddt, 1H, J = 1.2, 6.4, 13.1Hz), 1.405, 1.381 (2 x S, 6H, ) 13 C-NMR (CDCl 3 ) δ: 168.117 (C = 0), 130.594 (C-1b), 98.986 97.469 (C-1a), 56.131 (C-2a), 29.040, 18.638 Reference Example 17 Compound (24) 920 mg (1.43 mM) and benzyl bromide
Dissolve 4.8 g (28 mM) in 10 ml of dry DMF, and add silver oxide 3.3
g (14 mM) and potassium iodide 2.3 g (14 mM) were added, and the mixture was stirred under ice cooling for 3 hours. After the reaction was completed, the reaction solution was diluted with ethyl acetate, and the insoluble material was filtered off from Celite. The filtrate was washed successively with water, saturated sodium bicarbonate water, diluted hydrochloric acid, and saturated saline, dried over magnesium sulfate, and the solvent was evaporated. The residue was purified by column chromatography (toluene / ethyl acetate = 10/1), 1.21 g of oil (26) (Y.92.3
%) Was obtained.
〔化合物(26)の性質〕 Rf=0.69(トルエン/酢酸エチル=4/1) [α▲]20 D▼47.8゜(C=0.55、CHCl3) 元素分析値 C54H57NO12=912.056 理論値 C; 71.11 H; 6.30 N; 1.54 実測値 C; 71.05 H; 6.31 N; 1.551 H-NMR(CDCl3)δ: 7.79-6.83(m, 24H, アロマチックH) 5.677(m, 1H, 5.149(d, 1H, H-1a, J=8.5Hz) 5.082(dd, 1H, J=1.8、17.2Hz) 5.000(dd, 1H, J=1.5、10.4Hz) 4.413(d, 1H, H-1b, J=7.9Hz) 1.369、1.331(2×S, 2×3H, 13C-NMR(CDCl3)δ: 167.744(C=0)、109.606 102.237(C-1b)、97.469(C-1a)、55.698(C-2a)、 27.903、26.332 参考例18 化合物(26)1.05g(1.15mM)を80%含水トリフロオロ
酢酸/THF(10ml/10ml)混合溶媒に溶解し、室温にて3
時間撹拌した。反応溶液を酢酸エチルで抽出し、水、飽
和重ソウ水、飽和食塩水にて順次洗浄後、硫酸マグネシ
ウムにて乾燥し、溶媒を留去した。残渣をカラムクロマ
トグラフィー(トルエン/酢酸エチル=4/1展開)にて
精製し、油状物(27)867mg(Y.86.3%)を得た。[Properties of compound (26)] Rf = 0.69 (toluene / ethyl acetate = 4/1) [α ▲] 20 D ▼ 47.8 ° (C = 0.55, CHCl 3 ) Elemental analysis value C 54 H 57 NO 12 = 912.056 Theory Value C; 71.11 H; 6.30 N; 1.54 Found C; 71.05 H; 6.31 N; 1.55 1 H-NMR (CDCl 3 ) δ: 7.79-6.83 (m, 24H, aromatic H) 5.677 (m, 1H, 5.149 (d, 1H, H-1a, J = 8.5Hz) 5.082 (dd, 1H, J = 1.8, 17.2Hz) 5.000 (dd, 1H, J = 1.5, 10.4Hz) 4.413 (d, 1H, H-1b, J = 7.9Hz) 1.369, 1.331 (2 x S, 2 x 3H, 13 C-NMR (CDCl 3 ) δ: 167.744 (C = 0), 109.606 102.237 (C-1b), 97.469 (C-1a), 55.698 (C-2a), 27.903, 26.332 Reference Example 18 1.05 g (1.15 mM) of the compound (26) was dissolved in a mixed solvent of 80% hydrous trifluoroacetic acid / THF (10 ml / 10 ml), and the mixture was mixed at room temperature for 3 days.
Stir for hours. The reaction solution was extracted with ethyl acetate, washed successively with water, saturated aqueous sodium hydrogen carbonate and saturated brine, dried over magnesium sulfate, and the solvent was evaporated. The residue was purified by column chromatography (toluene / ethyl acetate = 4/1 development) to obtain 867 mg (Y.86.3%) of an oily substance (27).
〔化合物(27)の性質〕 Rf=0.38(トルエン/酢酸エチル=2/1) [α▲]24 D▼+27.8゜(C=1.3、CHCl3) 元素分析値 C51H53NO12=871.99 理論値 C; 70.25 H; 6.13 N; 1.61 実測値 C; 71.33 H; 6.17 N; 1.581 H-NMR(CDCl3)δ: 7.57-6.82(m, 24H, アロマチックH) 5.697(m, 1H, 5.156(d, 1H, H-1a, J=8.2Hz) 5.086(dd, 1H, J=1.5、17.1Hz) 5.007(dd, 1H, J=1.5、10.4Hz) 3.956(d, 1H, H-4b, J=1.8Hz)13 C-NMR(CDCl3)δ: 167.901(C=0)、102.944(C-1b)、97.469(C-1
a)、55.754(C-2a) 参考例19 化合物(27)650mg(0.745mM)を無水酢酸/ピリジン/4
-DMAP(1ml/1ml/触媒量)に溶解し、室温にて終夜撹拌
した。反応溶液を酢酸エチルで抽出し、水、飽和重ソウ
水、希塩酸、飽和食塩水にて順次洗浄後、硫酸マグネシ
ウムにて乾燥し溶媒を留去した。残渣をカラムクロマト
グラフィー(トルエン/酢酸エチル=5/1展開)にて精
製して油状物(28)630mg(Y.88.4%)を得た。[Properties of compound (27)] Rf = 0.38 (toluene / ethyl acetate = 2/1) [α ▲] 24 D ▼ + 27.8 ° (C = 1.3, CHCl 3 ) Elemental analysis value C 51 H 53 NO 12 = 871.99 Theoretical C; 70.25 H; 6.13 N; 1.61 Found C; 71.33 H; 6.17 N; 1.58 1 H-NMR (CDCl 3 ) δ: 7.57-6.82 (m, 24H, aromatic H) 5.697 (m, 1H , 5.156 (d, 1H, H-1a, J = 8.2Hz) 5.086 (dd, 1H, J = 1.5, 17.1Hz) 5.007 (dd, 1H, J = 1.5, 10.4Hz) 3.956 (d, 1H, H-4b, J = 1.8Hz) 13 C-NMR (CDCl 3 ) δ: 167.901 (C = 0), 102.944 (C-1b), 97.469 (C- 1
a), 55.754 (C-2a) Reference Example 19 Compound (27) 650 mg (0.745 mM) was added to acetic anhydride / pyridine / 4
-Dissolved in DMAP (1 ml / 1 ml / catalyst amount), stirred at room temperature overnight. The reaction solution was extracted with ethyl acetate, washed successively with water, saturated sodium bicarbonate water, diluted hydrochloric acid, and saturated saline, dried over magnesium sulfate, and the solvent was evaporated. The residue was purified by column chromatography (toluene / ethyl acetate = 5/1 development) to obtain 630 mg (Y.88.4%) of an oily substance (28).
〔化合物(28)の性質〕 Rf=0.46(トルエン/酢酸エチル=4/1) [α▲]24 D▼+16.5゜(C=0.80、CHCl3) 元素分析値 C55H57NO14=956.066 理論値 C; 69.10 H; 6.01 N; 1.46 実測値 C; 69.23 H; 6.03 N; 1.461 H-NMR(CDCl3)δ: 7.69-6.87(m, 24H, アロマチックH) 5.687(m, 1H, 5.353(d, 1H, H-4b, J=2.7Hz) 5.153(d, 1H, H-1a, J=8.2Hz) 5.092(dd, 1H, J=1.8、17.4Hz) 5.014(dd, 1H, J=1.5、10.4Hz) 4.861(dd, 1H, H-3b, J=3.6、10.4Hz) 4.505(d, 1H, H-1b, J=7.9Hz) 4.113(dd, 1H, H-2a, J=8.2、10.1Hz) 4.000(ddt, 1H, J=1.2、6.4、13.1Hz) 1.943、1.940(2×S, 2×3H, 2×COCH 3)13 C-NMR(CDCl3)δ: 169.749、167.849(C=0)、102.510(C-1b)、97.46
9(C-1a)、55.644 (C-2a)、20.534、20.436(COC
H 3) 参考例20 化合物(28)590mg(0.617mM)、塩化パラジウム530mg
(3mM)及び酢酸ナトリウム250mg(3mM)を90%酢酸に
溶解し、室温にて終夜撹拌した。反応溶液を酢酸エチル
で希釈し不溶物をセライトよりろ去し、ろ液を水、飽和
重ソウ水、飽和食塩水にて順次洗浄後、硫酸マグネシウ
ムにて乾燥後、溶媒を留去した。残渣をカラムクロマト
グラフィー(トルエン/酢酸エチル=4/1展開)にて精
製し、油状物(29)415mg(Y.73.4%)を得た。[Properties of compound (28)] Rf = 0.46 (toluene / ethyl acetate = 4/1) [α ▲] 24 D ▼ + 16.5 ° (C = 0.80, CHCl 3 ) Elemental analysis value C 55 H 57 NO 14 = 956.066 Theoretical value C; 69.10 H; 6.01 N; 1.46 Found value C; 69.23 H; 6.03 N; 1.46 1 H-NMR (CDCl 3 ) δ: 7.69-6.87 (m, 24H, aromatic H) 5.687 (m, 1H , 5.353 (d, 1H, H-4b, J = 2.7Hz) 5.153 (d, 1H, H-1a, J = 8.2Hz) 5.092 (dd, 1H, J = 1.8, 17.4Hz) 5.014 (dd, 1H, J = 1.5, 10.4Hz) 4.861 (dd, 1H, H-3b, J = 3.6, 10.4Hz) 4.505 (d, 1H, H-1b, J = 7.9Hz) 4.113 (dd, 1H, H-2a, J = 8.2, 10.1Hz) 4.000 (ddt, 1H, J = 1.2, 6.4, 13.1Hz) 1.943, 1.940 (2 × S, 2 × 3H, 2 × COC H 3 ) 13 C-NMR (CDCl 3 ) δ: 169.749, 167.849 (C = 0), 102.510 (C- 1b), 97.46
9 (C-1a), 55.644 (C-2a), 20.534, 20.436 (COC
H 3 ) Reference Example 20 Compound (28) 590 mg (0.617 mM), palladium chloride 530 mg
(3 mM) and sodium acetate 250 mg (3 mM) were dissolved in 90% acetic acid, and the mixture was stirred at room temperature overnight. The reaction solution was diluted with ethyl acetate, the insoluble matter was filtered off from Celite, the filtrate was washed successively with water, saturated aqueous sodium hydrogen carbonate and saturated brine, dried over magnesium sulfate, and the solvent was evaporated. The residue was purified by column chromatography (toluene / ethyl acetate = 4/1 development) to obtain 415 mg (Y.73.4%) of oily substance (29).
〔化合物(29)の性質〕 Rf=0.51(トルエン/酢酸エチル=2/1) [α▲]22 D▼+28.0゜(C=0.75、CHCl3) 元素分析値 C52H53NO14=916.00 理論値 C; 68.19 H; 5.83 N; 1.53 実測値 C; 68.57 H; 5.71 N; 1.511 H-NMR(CDCl3)δ: 7.73-6.87(m, 24H, アロマチックH) 5.355(d, 1H, H-4b, J=3.4Hz) 4.839(dd, 1H, H-3b, J=3.4、10.1Hz) 1.948、1.942(2×S, 2×3H, 2×COCH 3)13 C-NMR(CDCl3)δ: 169.912、169.799、168.117(C=0)、102.562(C-1
b)、93.026(C-1a)、57.486(C-2a)、20.588、20.48
0(COCH3) 参考例21 アルゴンガス雰囲気下、化合物(29)233mg(0.254mM)
及びトリクロロアセトニトリル187mg(1.3mM)をジクロ
ロメタン3mlに溶解し、これに、氷冷下、DBU35μ(0.
25mM)を注入し、1時間撹拌した。反応溶液を直接カラ
ムクロマトグラフィー(トルエン/酢酸エチル=8/1展
開)にて精製し、油状物(30)193mg(Y.71.7%)を得
た。[Properties of compound (29)] Rf = 0.51 (toluene / ethyl acetate = 2/1) [α ▲] 22 D ▼ + 28.0 ° (C = 0.75, CHCl 3 ) Elemental analysis value C 52 H 53 NO 14 = 916.00 Theoretical C; 68.19 H; 5.83 N; 1.53 Found C; 68.57 H; 5.71 N; 1.51 1 H-NMR (CDCl 3 ) δ: 7.73-6.87 (m, 24H, aromatic H) 5.355 (d, 1H , H-4b, J = 3.4Hz) 4.839 (dd, 1H, H-3b, J = 3.4, 10.1Hz) 1.948, 1.942 (2 × S, 2 × 3H, 2 × COC H 3 ) 13 C-NMR ( CDCl 3 ) δ: 169.912, 169.799, 168.117 (C = 0), 102.562 (C-1
b), 93.026 (C-1a), 57.486 (C-2a), 20.588, 20.48
0 (CO C H 3 ) Reference Example 21 233 mg (0.254 mM) of compound (29) under argon gas atmosphere
And 187 mg (1.3 mM) of trichloroacetonitrile were dissolved in 3 ml of dichloromethane, and DBU 35μ (0.
25 mM) was injected and stirred for 1 hour. The reaction solution was directly purified by column chromatography (toluene / ethyl acetate = 8/1 development) to obtain 193 mg (Y.71.7%) of an oily substance (30).
〔化合物(30)の性質〕 Rf=0.49(トルエン/酢酸エチル=5/1) [α▲]20 D▼+31.2゜(C=0.73、CHCl3)1 H-NMR(CDCl3)δ: 8.542(S, 1H, C=NH) 7.71-6.85(m, 24H, アロマチックH) 6.403(d, 1H, H-1a, J=8.5Hz) 5.360(d, 1H, H-4b, J=2.7Hz) 1.950、1.942(2×S, 2×3H, COCH3) 参考例22 化合物(29)1.20g(1.31mM)を無水酢酸/ピリジン/4-
DMAP(3ml/3ml/触媒量)に溶解し、室温にて、2時間撹
拌した。反応溶液を酢酸エチルで抽出し、水、飽和重ソ
ウ水、希塩酸、飽和食塩水にて順次洗浄後、硫酸マグネ
シウムにて乾燥し、溶媒を留去した。残渣をカラムクロ
マトグラフィー(トルエン/酢酸エチル=5/1展開)に
て精製し、油状物(31)(β‐体)903mg(Y.71.9%)
を得た。[Properties of Compound (30)] Rf = 0.49 (toluene / ethyl acetate = 5/1) [α ▲] 20 D ▼ + 31.2 ° (C = 0.73, CHCl 3 ) 1 H-NMR (CDCl 3 ) δ: 8.542 (S, 1H, C = NH) 7.71-6.85 (m, 24H, aromatic H) 6.403 (d, 1H, H-1a, J = 8.5Hz) 5.360 (d, 1H, H-4b, J = 2.7) Hz) 1.950, 1.942 (2 × S, 2 × 3H, COCH 3 ) Reference Example 22 Compound (29) 1.20 g (1.31 mM) was added to acetic anhydride / pyridine / 4-
It was dissolved in DMAP (3 ml / 3 ml / catalytic amount) and stirred at room temperature for 2 hours. The reaction solution was extracted with ethyl acetate, washed successively with water, saturated aqueous sodium bicarbonate solution, diluted hydrochloric acid and saturated brine, dried over magnesium sulfate, and the solvent was evaporated. The residue was purified by column chromatography (toluene / ethyl acetate = 5/1 development), oily substance (31) (β-form) 903 mg (Y.71.9%)
Got
〔化合物(31)の性質〕 Rf=0.65(トルエン/酢酸エチル=2/1) [α▲]19 D▼+22.0゜(C=0.76、CHCl3) 元素分析値 C54H55NO15=958.038 理論値 C; 67.70 H; 5.79 N; 1.46 実測値 C; 67.90 H; 5.80 N; 1.491 H-NMR(CDCl3)δ: 7.74-6.84 (m, 24H, アロマチックH) 6.282(d, 1H, H-1a, J=8.8Hz)、5.344(d, 1H, H-4
b, J=3.4Hz)、4.805(dd, 1H, H-3b, J=3.7、10.1H
z)、4.187(dd, 1H, H-2a, J=8.8、9.5Hz)、1.953、
1.952、1.939 (3×S, 3×3H, 3×COCH3)13 C-NMR(CDCl3)δ: 169.747、168.828、167.580(C=0)、102.402(C-1
b)、90.374(C-1a)、54.614(C-2a)、20.696、20.58
8、20.426(COCH3) 参考例23 化合物(31)1.92g(2mM)及びn‐Bu3SnSCH3810mg(2.4
mM)をジクロロエタン20mlに溶解し、これに四塩化スズ
300μ(2.4mM)を加え室温にて、1.5時間撹拌した。
反応終了後、飽和重ソウ水を加え、溶媒を留去し、残渣
を酢酸エチルで抽出した。これをフッ化カリウム水溶
液、飽和食塩水にて順次洗浄後、硫酸マグネシウムで乾
燥し、溶媒を留去した。残渣をカラムクロマトグラフィ
ー(ヘキサン/酢酸エチル=1/1展開)にて精製し油状
物(32)1.62g(Y.85.2%)を得た。[Properties of compound (31)] Rf = 0.65 (toluene / ethyl acetate = 2/1) [α ▲] 19 D ▼ + 22.0 ° (C = 0.76, CHCl 3 ) Elemental analysis value C 54 H 55 NO 15 = 958.038 Theoretical value C; 67.70 H; 5.79 N; 1.46 Found value C; 67.90 H; 5.80 N; 1.49 1 H-NMR (CDCl 3 ) δ: 7.74-6.84 (m, 24H, aromatic H) 6.282 (d, 1H , H-1a, J = 8.8Hz), 5.344 (d, 1H, H-4
b, J = 3.4Hz), 4.805 (dd, 1H, H-3b, J = 3.7, 10.1H
z), 4.187 (dd, 1H, H-2a, J = 8.8, 9.5Hz), 1.953,
1.952, 1.939 (3 × S, 3 × 3H, 3 × COCH 3 ) 13 C-NMR (CDCl 3 ) δ: 169.747, 168.828, 167.580 (C = 0), 102.402 (C-1
b), 90.374 (C-1a), 54.614 (C-2a), 20.696, 20.58
8, 20.426 (CO C H 3 ) Reference Example 23 Compound (31) 1.92 g (2 mM) and n-Bu 3 SnSCH 3 810 mg (2.4
mM) in 20 ml of dichloroethane and add tin tetrachloride.
300 μ (2.4 mM) was added and the mixture was stirred at room temperature for 1.5 hours.
After completion of the reaction, saturated sodium bicarbonate water was added, the solvent was evaporated, and the residue was extracted with ethyl acetate. This was washed successively with an aqueous potassium fluoride solution and saturated brine, dried over magnesium sulfate, and the solvent was evaporated. The residue was purified by column chromatography (hexane / ethyl acetate = 1/1 development) to obtain 1.62 g (Y.85.2%) of an oily substance (32).
〔化合物(32)の性質〕 Rf=0.67(トルエン/酢酸エチル=2/1) [α▲]21 D▼+24.5゜(C=1.27、CHCl3) 元素分析値 C53H55NO13S=946.091 理論値 C; 67.29 H; 5.86 N; 1.48 S; 3.39 実測値 C; 67.35 H; 5.90 N; 1.45 S; 3.121 H-NMR(CDCl3)δ: 7.83-6.86(m, 24H, アロマチックH) 5.361(d, 1H, H-4b, J=2.4Hz)、5.132(d, 1H, H-1
a, J=10.1Hz)、4.873(dd, 1H, H-3b, J=3.6、10.1H
z)、4.545(d, 1H, H-1b, J=7.6Hz)、 2.127(S, 3H,SCH3)、1.947、1.944(2×S, 2×3H, 2
×COCH3 )13 C-NMR(CDCl3)δ: 169.747(C=0)、102.510(C-1b)、54.126(C-2
a)、20.588、20.480(COCH3)、10.998(SCH3) 参考例24 チオグリコシド法 [A]アルゴンガス雰囲気下、化合物(32)1.01g(1.0
6mM)及び化合物(8)1.02g(1.05mM)をニトロメタン30m
lに溶解し、事前に十分乾燥したM.S.4A5g、臭化第二銅3
40mg(1.5mM)シルバートリフレート390mg(1.5mM)及
びテトラn-ブチルアンモニウムブロマイド100mg(0.3m
M)の入った褐色二径フラスコに注入し、室温にて終夜
撹拌した。反応終了後、不溶物をセライトよりろ去し、
ろ液をクロロホルムで抽出し、水、飽和重ソウ水、飽和
食塩水にて順次洗浄後、硫酸マグネシウムで乾燥し、溶
媒を留去した。残渣をカラムクロマトグラフィー(ヘキ
サン/酢酸エチル=3/1展開)にて精製し、油状物(3
4)938mg(Y.50.2%)を得た。[Properties of compound (32)] Rf = 0.67 (toluene / ethyl acetate = 2/1) [α ▲] 21 D ▼ + 24.5 ° (C = 1.27, CHCl 3 ) Elemental analysis value C 53 H 55 NO 13 S = 946.091 Theoretical value C; 67.29 H; 5.86 N; 1.48 S; 3.39 Found value C; 67.35 H; 5.90 N; 1.45 S; 3.12 1 H-NMR (CDCl 3 ) δ: 7.83-6.86 (m, 24H, aromatic H) 5.361 (d, 1H, H-4b, J = 2.4Hz), 5.132 (d, 1H, H-1
a, J = 10.1Hz), 4.873 (dd, 1H, H-3b, J = 3.6, 10.1H
z), 4.545 (d, 1H, H-1b, J = 7.6Hz), 2.127 (S, 3H, SCH 3 ), 1.947, 1.944 (2 x S, 2 x 3H, 2)
× COC H 3 ) 13 C-NMR (CDCl 3 ) δ: 169.747 (C = 0), 102.510 (C-1b), 54.126 (C-2
a), 20.588, 20.480 (CO C H 3 ), 10.998 (SCH 3 ) Reference Example 24 Thioglycoside method [A] 1.01 g (1.0) of compound (32) under argon gas atmosphere
6mM) and compound (8) 1.02g (1.05mM) to nitromethane 30m
5 g of MS4A, cupric bromide dissolved in 1 l and thoroughly dried in advance
40 mg (1.5 mM) Silver triflate 390 mg (1.5 mM) and tetra-n-butylammonium bromide 100 mg (0.3 m
It was poured into a brown two-diameter flask containing M) and stirred at room temperature overnight. After completion of the reaction, insoluble matter was removed by filtration from Celite,
The filtrate was extracted with chloroform, washed with water, saturated sodium bicarbonate water, and saturated saline in this order, dried over magnesium sulfate, and the solvent was evaporated. The residue was purified by column chromatography (hexane / ethyl acetate = 3/1, developed) to give an oil (3
4) 938 mg (Y.50.2%) was obtained.
〔化合物(34)の性質〕 Rf=0.37(ヘキサン/酢酸エチル=2/1) [α▲]22 D▼−7.5゜(C=0.68、CHCl3) 元素分析値 C111H117NO25・H2O=1883.177 理論値 C; 70.80 H; 6.37 N; 0.74 実測値 C; 70.82 H; 6.29 N; 0.781 H-NMR(CDCl3)δ: 7.50-6.83(m, 54H, アロマチックH) 5.380(d, 1H, H-1c, J=8.5Hz) 5.366(d, 1H, H-4d, J=2.5Hz) 5.021(dd, 1H, H-2a, J=8.2、9.2Hz) 4.900(dd, 1H, H-3d, J=3.4、10.1Hz) 1.958、1.947(2×S, 2×3H, COCH3) 1.087(S, 9H, ピバロイル CH3)13 C-NMR(CDCl3)δ: 176.413、169.695、167.632(C=0)、102.510 99.693(C-1)、56.294(C-2c)、38.577 (COCMe3)、27.090(ピバロイル CH3)、20.588、20.
426 (COCH3) [A]アルゴンガス雰囲気下、化合物(32)1.10g(1.1
6mM)及び化合物(8)1.20g(1.24mM)をジクロロエタン3
0mlに溶解し、事前に十分乾燥したM.S.4A 5gの入った褐
色二径フラスコに注入した。これに、メチルトリフレー
ト0.25ml(2.21mM)を注入し、室温にて6時間撹拌し
た。トリエチルアミンを加え、反応終了後、不溶物をセ
ライトよりろ去し、ろ液を、飽和重ソウ水、飽和食塩水
にて順次洗浄後、硫酸マグネシウムで乾燥後、溶媒を留
去した。残渣をカラムクロマトグラフィー(ヘキサン/
酢酸エチル=4/1展開)にて精製し、油状物(34)920mg
(Y.42.5%)を得た。[Properties of compound (34)] Rf = 0.37 (hexane / ethyl acetate = 2/1) [α ▲] 22 D ▼ -7.5 ° (C = 0.68, CHCl 3 ) Elemental analysis value C 111 H 117 NO 25・ H 2 O = 1883.177 Theoretical value C; 70.80 H; 6.37 N; 0.74 Found value C; 70.82 H; 6.29 N; 0.78 1 H-NMR (CDCl 3 ) δ: 7.50-6.83 (m, 54H, aromatic H) 5.380 ( d, 1H, H-1c, J = 8.5Hz) 5.366 (d, 1H, H-4d, J = 2.5Hz) 5.021 (dd, 1H, H-2a, J = 8.2, 9.2Hz) 4.900 (dd, 1H , H-3d, J = 3.4, 10.1Hz) 1.958, 1.947 (2 × S, 2 × 3H, COCH 3 ) 1.087 (S, 9H, pivaloyl CH 3 ) 13 C-NMR (CDCl 3 ) δ: 176.413, 169.695 , 167.632 (C = 0), 102.510 99.693 (C-1), 56.294 (C-2c), 38.577 (CO C Me 3 ), 27.090 (pivaloyl CH 3 ), 20.588, 20.
426 (CO C H 3 ) [A] 1.10 g (1.1
6mM) and compound (8) 1.20g (1.24mM) to dichloroethane 3
It was dissolved in 0 ml and poured into a brown two-dimensional flask containing 5 g of MS4A that had been sufficiently dried in advance. Methyl triflate (0.25 ml, 2.21 mM) was added thereto, and the mixture was stirred at room temperature for 6 hours. Triethylamine was added, and after completion of the reaction, the insoluble matter was filtered off from Celite, the filtrate was washed successively with saturated aqueous sodium bicarbonate solution and saturated brine, dried over magnesium sulfate, and the solvent was evaporated. Column chromatography of the residue (hexane /
Purified with ethyl acetate = 4/1), oil (34) 920mg
(Y.42.5%) was obtained.
イミデート法 アルゴンガス雰囲気下、化合物(30)181mg(0.17mM)
及び化合物(8)170g(0.18mM)をジクロロエタン10mlに
溶解し、事前に十分乾燥したM.S.4A 1gの入った褐色二
径フラスコに注入した。氷冷下、これに、BF3・Et2O 28
μЕ(0.2mM)を注入し、1時間撹拌した。トリエチ
ルアミンを加え反応を終了後、不溶物をセライドよりろ
去し、ろ液を水、飽和重ソウ水、飽和食塩水にて順次洗
浄後、硫酸マグネシウムで乾燥後、溶媒を留去した。残
渣をカラムクロマトグラフィー(ヘキサン/酢酸エチル
=4/1展開)にて精製し、油状物(34)120mg(Y.37.8
%)を得た。Imidate method Compound (30) 181mg (0.17mM) under argon gas atmosphere
Also, 170 g (0.18 mM) of the compound (8) was dissolved in 10 ml of dichloroethane, and the solution was poured into a brown two-diameter flask containing 1 g of MS4A sufficiently dried in advance. Under ice cooling, BF 3 · Et 2 O 28
μμ (0.2 mM) was injected and stirred for 1 hour. After completion of the reaction by adding triethylamine, the insoluble matter was filtered off from the celide, the filtrate was washed successively with water, saturated sodium bicarbonate water and saturated saline, dried over magnesium sulfate, and then the solvent was distilled off. The residue was purified by column chromatography (hexane / ethyl acetate = 4/1 development), 120 mg of oil (34) (Y.37.8
%) Was obtained.
参考例25 化合物(34)820mg(0.44mM)をメタノール/THF(10ml/
2ml)に溶解し、これに、0.2N NaOMeメタノール溶液1ml
を加え、室温にて2時間撹拌した。反応終了後、アンバ
ーリスト15を加え反応溶液を中和後、不溶物をろ去し、
ろ液を留去した。残渣をカラムクロマトグラフィー(ト
ルエン/酢酸エチル=3/1展開)にて精製し、油状物(3
5)750mg(Y.95.8%)を得た。Reference Example 25 Compound (34) 820 mg (0.44 mM) was added to methanol / THF (10 ml /
2 ml) and add 1 ml of 0.2N NaOMe methanol solution to it.
Was added and the mixture was stirred at room temperature for 2 hours. After the reaction was completed, Amberlyst 15 was added to neutralize the reaction solution, and the insoluble matter was filtered off,
The filtrate was distilled off. The residue was purified by column chromatography (toluene / ethyl acetate = 3/1 development) to give an oil (3
5) 750 mg (Y.95.8%) was obtained.
〔化合物(35)の性質〕 Rf=0.50(トルエン/酢酸エチル=1/1) [α▲]22 D▼−5.3゜(C=0.6、CHCl3) 元素分析値 C107H113NO23=1781.086 理論値 C; 72.16 H; 6.40 N; 0.79 実測値 C; 72.13 H; 6.42 N; 0.721 H‐NMR(CDCl3)δ : 7.40-6.77(m, 54H, アロマチックH) 5.379(d, 1H, H-1c, J=8.5Hz) 5.017(dd, 1H, H-2a, J=7.9、9.4Hz) 4.119(dd, 1H, H-2c, J=8.5、10.1Hz) 1.084(S, 9H, ピバロイル CH3)13 C-NMR(CDCl3)δ: 176.413、167.580(C=0)、102.996、102.402、99.6
93(C-1a〜d)、56.402(C-2c)、38.522 (COCMe3)、27.036(ピバロイル CH3) 参考例26 アルゴンガス雰囲気下、事前に十分乾燥したM.S.(A.W.
300)2.0gの入った二径褐色フラスコに、化合物(35)4
45mg(0.25mM)及び化合物(36)350mg(0.27mM)をジ
クロロエタン15mlに溶解し加えた。氷冷下、BF3・Et2O 3
0μ(0.25mM)を加え30分間撹拌した。トリエチルア
ミンを加え、反応終了後、クロロホルムで希釈し、不溶
物をろ去し、ろ液を飽和重ソウ水、飽和食塩水にて順次
洗浄後、硫酸マグネシウムで乾燥し、溶媒を留去した。
残渣をカラムクロマトグラフィー(トルエン/酢酸エチ
ル=4/1展開)にて精製し、油状物(37)580mg(Y.79.8
%)を得た。[Properties of compound (35)] Rf = 0.50 (toluene / ethyl acetate = 1/1) [α ▲] 22 D ▼ -5.3 ° (C = 0.6, CHCl 3 ) Elemental analysis value C 107 H 113 NO 23 = 1781.086 Theoretical C; 72.16 H; 6.40 N; 0.79 Found C; 72.13 H; 6.42 N; 0.72 1 H-NMR (CDCl 3 ) δ: 7.40-6.77 (m, 54H, aromatic H) 5.379 (d, 1H, H-1c, J = 8.5Hz) 5.017 (dd, 1H, H-2a, J = 7.9, 9.4Hz) 4.119 (dd, 1H, H-2c, J = 8.5, 10.1Hz) 1.084 (S, 9H, pivaloyl CH 3 ) 13 C-NMR (CDCl 3 ) δ: 176.413, 167.580 (C = 0), 102.996, 102.402, 99.6
93 (C-1a to d), 56.402 (C-2c), 38.522 (CO C Me 3 ), 27.036 (pivaloyl CH 3 ) Reference Example 26 MS (AW) sufficiently dried in advance under an argon gas atmosphere
300) 2.0g in a double diameter brown flask, compound (35) 4
45 mg (0.25 mM) and 350 mg (0.27 mM) of compound (36) were dissolved in 15 ml of dichloroethane and added. Under ice cooling, BF 3 · Et 2 O 3
0 μ (0.25 mM) was added and the mixture was stirred for 30 minutes. Triethylamine was added, and after completion of the reaction, the mixture was diluted with chloroform, the insoluble matter was filtered off, the filtrate was washed successively with saturated aqueous sodium bicarbonate solution and saturated brine, dried over magnesium sulfate, and the solvent was evaporated.
The residue was purified by column chromatography (toluene / ethyl acetate = 4/1 development) and the oily substance (37) 580 mg (Y.79.8
%) Was obtained.
〔化合物(37)の性質〕 Rf=0.60(トルエン/酢酸エチル=2/1) [α▲]19 D▼−6.6゜(C=1.12、CHCl3)1 H-NMR(CDCl3)δ: 7.61-6.77(m, 78H, アロマチックH) 5.327(d, 1H, H-1c, J=8.2Hz) 5.244(d, 1H, H-4g, J=2.7Hz) 5.189(d, 1H, H-1c, J=7.9Hz) 1.991、1.988,、1.951、1.827(4×S, 4×3H, 4×COCH
3)、1.073(S, 9H, ピバロイル CH3)13 C-NMR(CDCl3)δ: 176.466-167.528(C=0)、102.454、99.636(C-
1)、38.522(COCMe3)、26.982(ピバロイル CH3) 参考例27 化合物(37)480mg(0.165mM)を2%ヒドラジン‐エタ
ノール溶液20mlに溶解し、終夜還流撹拌した。溶媒を留
去し、残渣を無水酢酸/ピリジン/4-DMAP(3ml/3ml/触
媒量)に溶解し、室温にて3時間撹拌した。反応終了
後、反応溶液を酢酸エチルで抽出し、水、飽和重ソウ
水、希塩酸、飽和食塩水にて順次洗浄後、硫酸マグネシ
ウムで乾燥し、溶媒を留去した。残渣をカラムクロマト
グラフィー(トルエン/酢酸エチル=3/1展開)にて精
製し、油状物(38)417mg(Y.91.0%)を得た。[Properties of Compound (37)] Rf = 0.60 (toluene / ethyl acetate = 2/1) [α ▲] 19 D ▼ -6.6 ° (C = 1.12, CHCl 3 ) 1 H-NMR (CDCl 3 ) δ: 7.61 -6.77 (m, 78H, aromatic H) 5.327 (d, 1H, H-1c, J = 8.2Hz) 5.244 (d, 1H, H-4g, J = 2.7Hz) 5.189 (d, 1H, H-1c , J = 7.9Hz) 1.991, 1.988, 1.951, 1.827 (4 × S, 4 × 3H, 4 × COCH
3 ), 1.073 (S, 9H, pivaloyl CH 3 ) 13 C-NMR (CDCl 3 ) δ: 176.466-167.528 (C = 0), 102.454, 99.636 (C-
1), 38.522 (CO C Me 3 ), 26.982 (pivaloyl CH 3 ) Reference Example 27 480 mg (0.165 mM) of compound (37) was dissolved in 20 ml of a 2% hydrazine-ethanol solution, and the mixture was stirred under reflux overnight. The solvent was evaporated, the residue was dissolved in acetic anhydride / pyridine / 4-DMAP (3 ml / 3 ml / catalytic amount), and the mixture was stirred at room temperature for 3 hours. After completion of the reaction, the reaction solution was extracted with ethyl acetate, washed successively with water, saturated sodium bicarbonate water, dilute hydrochloric acid and saturated brine, dried over magnesium sulfate, and the solvent was evaporated. The residue was purified by column chromatography (toluene / ethyl acetate = 3/1 development) to obtain 417 mg (Y.91.0%) of an oily substance (38).
〔化合物(38)の性質〕 Rf=0.45(トルエン/酢酸エチル=1/1) [α▲]19 D▼−22.5゜(C=0.51、CHCl3) 元素分析値 C159H180N2O41・2H2O=2811.225 理論値 C; 67.93 H; 6.52 N; 1.00 実測値 C; 67.83 H; 6.43 N; 1.201 H-NMR(CDCl3)δ: 7.39-7.12(m, 70H, アロマチックH) 5.547(d, 1H, NH, J=8.2Hz) 5.480(d, 1H, H-4d, J=3.3Hz) 5.278(d, 1H, H-4g, J=3.0Hz) 2.027、1.945、1.938、1.932、1.848、1.517、1.434
(7×S, 7×3H, 7×COCH3) 1.156(d, 3H, H-6f, J=6.4Hz) 1.119(S, 9H, ピバロイル CH3)13 C-NMR(CDCl3)δ: 176.466-168.828(C=0)、102.562、101.643、99.69
3(C-1)、38.577 27.090(ピバロイル CH3)、22.918、21.347、 20.480(COCH3) 参考例28 水素ガス雰囲気下、化合物(38)388mg(0.14mM)及び1
0%Pd-C 200mgのメタノール/酢酸溶液(10ml/10ml)を
室温にて、終夜撹拌した。反応終了後、触媒をろ去し、
溶媒を留去後、残渣を無水酢酸/ピリジン/4-DMAP(2ml
/2ml/触媒量)に溶解し、室温にて5時間撹拌した。反
応溶液を酢酸エチルで抽出し、水、飽和重ソウ水、希塩
酸、飽和食塩水にて順次洗浄後、硫酸マグネシウムで乾
燥し、溶媒を留去した。残渣をカラムクロマトグラフィ
ー(アセトン/トルエン/=1/1展開)にて精製し、油
状物(39)266mg(Y.90.8%)を得た。[Properties of compound (38)] Rf = 0.45 (toluene / ethyl acetate = 1/1) [α ▲] 19 D ▼ -22.5 ° (C = 0.51, CHCl 3 ) Elemental analysis value C 159 H 180 N 2 O 41・ 2H 2 O = 2811.225 Theoretical value C; 67.93 H; 6.52 N; 1.00 Actual value C; 67.83 H; 6.43 N; 1.20 1 H-NMR (CDCl 3 ) δ: 7.39-7.12 (m, 70H, aromatic H) 5.547 (d, 1H, NH, J = 8.2Hz) 5.480 (d, 1H, H-4d, J = 3.3Hz) 5.278 (d, 1H, H-4g, J = 3.0Hz) 2.027, 1.945, 1.938, 1.932 , 1.848, 1.517, 1.434
(7 × S, 7 × 3H, 7 × COCH 3 ) 1.156 (d, 3H, H-6f, J = 6.4Hz) 1.119 (S, 9H, pivaloyl CH 3 ) 13 C-NMR (CDCl 3 ) δ: 176.466 -168.828 (C = 0), 102.562, 101.643, 99.69
3 (C-1), 38.577 27.090 (pivaloyl CH 3 ), 22.918, 21.347, 20.480 (COCH 3 ) Reference Example 28 Under hydrogen gas atmosphere, compound (38) 388 mg (0.14 mM) and 1
A solution of 0% Pd-C 200 mg in methanol / acetic acid (10 ml / 10 ml) was stirred at room temperature overnight. After completion of the reaction, the catalyst was filtered off,
After distilling off the solvent, the residue was mixed with acetic anhydride / pyridine / 4-DMAP (2 ml
/ 2 ml / catalyst amount), and stirred at room temperature for 5 hours. The reaction solution was extracted with ethyl acetate, washed successively with water, saturated aqueous sodium hydrogen carbonate, diluted hydrochloric acid and saturated brine, dried over magnesium sulfate, and the solvent was evaporated. The residue was purified by column chromatography (acetone / toluene / = 1/1 development) to obtain 266 mg (Y.90.8%) of an oily substance (39).
〔化合物(39)の性質〕 Rf=0.30(トルエン/アセトン=1/1) 元素分析値 C89H124N2O55=2101.961 理論値 C; 50.86 H; 5.95 N; 1.33 実測値 C; 50.64 H; 5.88 N; 1.301 H-NMR(CDCl3)δ: 6.291(d, 1H, H-1aα, J=3.6Hz) 5.695(d, 1H, H-1aβ, J=8.5Hz) 5.414(d, 1H, H-4bまたはd またはg, J=2.7Hz) 4.614(d, 1H, H-1, J=7.9Hz) 2.192-1.900(mS, 63H, COCH3) 1.202(d, 3H, H-6f, J=6.4Hz) 1.132、1.119(2×S, 9H, ピバロイル CH3) 参考例29 化合物(39)266mg(0.126mM)をDMF 2mlに溶解し、こ
れにヒドラジン酢酸塩33mg(0.36mM)を加え、室温にて
1時間撹拌した。反応溶液を酢酸エチルで抽出し、水洗
後、硫酸マグネシウムで乾燥し、溶媒を留去した。残渣
をカラムクロマトグラフィー(トルエン/アセトン=1/
1展開)にて精製し、ヘミアセタール(40)201mg(Y.7
7.3%)を得た。化合物(40)182mg(0.088mM)及びト
リクロロアセトニトリル72mg(0.5mM)をジクロロエタ
ン5mlに溶解し、これに、氷冷下、DBU13μ(0.09mM)
を注入し、1時間撹拌した。反応溶液を直接カラムクロ
マトグラフィー(トルエン/アセトン=1/1展開)にて
精製し、化合物(41)152ml(Y.78.3%)を得た。[Properties of compound (39)] Rf = 0.30 (toluene / acetone = 1/1) Elemental analysis value C 89 H 124 N 2 O 55 = 2101.961 Theoretical value C; 50.86 H; 5.95 N; 1.33 Actual value C; 50.64 H 5.88 N; 1.30 1 H-NMR (CDCl 3 ) δ: 6.291 (d, 1H, H-1aα, J = 3.6Hz) 5.695 (d, 1H, H-1aβ, J = 8.5Hz) 5.414 (d, 1H , H-4b or d or g, J = 2.7Hz) 4.614 (d, 1H, H-1, J = 7.9Hz) 2.192-1.900 (mS, 63H, COCH 3 ) 1.202 (d, 3H, H-6f, J = 6.4Hz) 1.132, 1.119 (2 × S, 9H, pivaloyl CH 3 ) Reference Example 29 Compound (39) 266 mg (0.126 mM) was dissolved in DMF 2 ml, and hydrazine acetate 33 mg (0.36 mM) was added thereto. The mixture was stirred at room temperature for 1 hour. The reaction solution was extracted with ethyl acetate, washed with water, dried over magnesium sulfate, and the solvent was evaporated. Column chromatography of the residue (toluene / acetone = 1 /
1 development), 201 mg of hemiacetal (40) (Y.7)
7.3%). 182 mg (0.088 mM) of compound (40) and 72 mg (0.5 mM) of trichloroacetonitrile were dissolved in 5 ml of dichloroethane, and DBU 13μ (0.09 mM) was added thereto under ice cooling.
And stirred for 1 hour. The reaction solution was directly purified by column chromatography (toluene / acetone = 1/1 development) to obtain 152 ml (Y.78.3%) of compound (41).
〔化合物(40)の性質〕 Rf=0.42(トルエン/アセトン=2/3) [α▲]20 D▼−6.2゜(C=0.53、CHCl3)1 H-NMR(CDCl3)δ: 5.413(d, 1H, H-4bまたはd またはJ=2.7Hz) 4.670(d, 1H, H-1, J=7.9Hz) 4.613(d, 1H, H-1, J=8.2Hz) 4.416(d, 1H, H-1, J=7.6Hz) 4.363(d, 1H, H-1, J=7.6Hz) 2.191-1.901(mS, 60H, COCH3) 1.201(d, 3H, H-6f, J=6.7Hz) 1.178(S, 9H, ピバロイル CH3) 〔化合物(41)の性質〕 Rf=0.50(トルエン/アセトン=2/3) [α▲]21 D▼+4.3゜(C=0.51、CHCl3)1 H-NMR(CDCl3)δ: 8.651(S, 1H, C=NH) 6.501(d, 1H, H-1a, J=3.6Hz) 5.413(d, 1H, H-4bまたはd またはJ=2.7Hz) 4.664(d, 1H, H-1, J=7.9Hz) 4.613(d, 1H, H-1, J=8.2Hz) 4.420(d, 1H, H-1, J=7.9Hz) 4.385(d, 1H, H-1, J=8.2Hz) 2.191-1.935(mS, 60H, COCH3) 1.201(d, 3H, H-6f, J=6.7Hz) 1.129(S, 9H, ピバロイル CH3) 実施例5 アルゴンガス雰囲気下、事前に十分乾燥したM.S.(A.W.
300)200gの入った二径褐色フラスコに、化合物(41)1
21mg(0.055mM)及び化合物(16)55mg(0.062mM)をジ
クロロエタン3mlに溶解し、加えた。氷冷下、BF3・Et2O
8μ(0.06mM)を注入し、30分間撹拌した。トリエチ
ルアミンを加え、反応を終了後、クロロホルムで希釈
し、不溶物をセライトよりろ去し、ろ液を水、飽和食塩
水にて順次洗浄し、硫酸マグネシウムで乾燥後、溶媒を
留去した。残渣をカラムクロマトグラフィー(トルエン
/アセトン=3/1展開)にて精製し、化合物(42)45mg
(Y.28.0%)を得た。[Properties of Compound (40)] Rf = 0.42 (toluene / acetone = 2/3) [α ▲] 20 D ▼ -6.2 ° (C = 0.53, CHCl 3 ) 1 H-NMR (CDCl 3 ) δ: 5.413 ( d, 1H, H-4b or d or J = 2.7Hz) 4.670 (d, 1H, H-1, J = 7.9Hz) 4.613 (d, 1H, H-1, J = 8.2Hz) 4.416 (d, 1H) , H-1, J = 7.6Hz) 4.363 (d, 1H, H-1, J = 7.6Hz) 2.191-1.901 (mS, 60H, COCH 3 ) 1.201 (d, 3H, H-6f, J = 6.7Hz ) 1.178 (S, 9H, pivaloyl CH 3 ) [Property of compound (41)] Rf = 0.50 (toluene / acetone = 2/3) [α ▲] 21 D ▼ + 4.3 ° (C = 0.51, CHCl 3 ) 1 H-NMR (CDCl 3 ) δ: 8.651 (S, 1H, C = NH) 6.501 (d, 1H, H-1a, J = 3.6Hz) 5.413 (d, 1H, H-4b or d or J = 2.7) Hz) 4.664 (d, 1H, H-1, J = 7.9Hz) 4.613 (d, 1H, H-1, J = 8.2Hz) 4.420 (d, 1H, H-1, J = 7.9Hz) 4.385 (d , 1H, H-1, J = 8.2Hz) 2.191-1.935 (mS, 60H, COCH 3 ) 1.201 (d, 3H, H-6f, J = 6.7Hz) 1.129 (S, 9H, pivaloyl CH 3 ) Example 5 a Under argon gas atmosphere, prior to fully dry MS (AW
300) 200g in a double diameter brown flask, compound (41) 1
21 mg (0.055 mM) and 55 mg (0.062 mM) of compound (16) were dissolved in 3 ml of dichloroethane and added. Under ice cooling, BF 3 · Et 2 O
8 μ (0.06 mM) was injected and stirred for 30 minutes. Triethylamine was added, and after the reaction was completed, the reaction mixture was diluted with chloroform, the insoluble matter was filtered off from Celite, the filtrate was washed successively with water and saturated brine, dried over magnesium sulfate, and the solvent was distilled off. The residue was purified by column chromatography (toluene / acetone = 3/1 development), compound (42) 45 mg
(Y.28.0%) was obtained.
〔化合物(42)の性質〕 Rf=0.45(トルエン/酢酸エチル=1/1) [α▲]22 D▼−20.0゜(C=1.15、CHCl3)1 H-NMR(CDCl3)δ: 7.68-7.26(m, 10H, アロマチックH) 4.657、4.614、4.416(3×d, 3×1H, 3×H-1, J=7.9H
z) 2.192-1.905(mS, 60H, -COCH3) 1.252(S, 9H, ピバロイル CH3) 1.122(S, 9H, SitBu) 実施例6 化合物(42)18.2mg(0.0062mM)をTHF 1mlに溶解し、
これに、テトラn-ブチルアンモニウムフルオライド(1M
THF溶液)100μ(0.1mM)を加え室温にて2時間撹拌
した。反応終了後、溶媒を留去し、残渣を無水酢酸/ピ
リジン/4-DMAP(0.2ml/0.2ml/触媒量)処理により、完
全アセチル化体へと導いた。このものを、メタノール/T
HF(0.5ml/0.5ml)溶液に溶解し、これに0.1N NaOMe-メ
タノール溶液0.5mlを加え、室温にて5時間撹拌した。
アンバリーリスト15を加え、反応液を中和後、不溶物を
セライトよりろ去し、ろ液を濃縮した。残渣をゲルろ過
法(CH-20、クロロホルム/メタノール/水=60/40/4.6
展開)にて精製し、目的化合物(43)7.4mg(Y.64.3
%)を得た。[Properties of Compound (42)] Rf = 0.45 (toluene / ethyl acetate = 1/1) [α ▲] 22 D ▼ -20.0 ° (C = 1.15, CHCl 3 ) 1 H-NMR (CDCl 3 ) δ: 7.68 -7.26 (m, 10H, aromatic H) 4.657, 4.614, 4.416 (3 × d, 3 × 1H, 3 × H-1, J = 7.9H
z) 2.192-1.905 (mS, 60H, -COCH 3 ) 1.252 (S, 9H, pivaloyl CH 3 ) 1.122 (S, 9H, Si t Bu) Example 6 Compound (42) 18.2 mg (0.0062 mM) in THF 1 ml Dissolves in
To this, tetra-n-butylammonium fluoride (1M
(THF solution) 100 μ (0.1 mM) was added, and the mixture was stirred at room temperature for 2 hours. After completion of the reaction, the solvent was distilled off, and the residue was treated with acetic anhydride / pyridine / 4-DMAP (0.2 ml / 0.2 ml / catalytic amount) to lead to a completely acetylated form. This is methanol / T
It was dissolved in a HF (0.5 ml / 0.5 ml) solution, 0.5 ml of 0.1N NaOMe-methanol solution was added thereto, and the mixture was stirred at room temperature for 5 hours.
Amberly List 15 was added to neutralize the reaction solution, insoluble materials were removed by filtration from Celite, and the filtrate was concentrated. The residue is subjected to gel filtration (CH-20, chloroform / methanol / water = 60/40 / 4.6
Target compound (43) 7.4 mg (Y.64.3)
%) Was obtained.
〔化合物(43)の性質〕 Rf=0.41(m‐BuOH/EtOH/H2O=2/1/1) [α▲]23 D▼−16.9゜(C=0.13、CH3OH)1 H-NMR(d6‐DMSO, 60℃)δ: 5.556(dt, 1H, H-5Cer, J=7.0、15.2Hz) 5.371(dd, 1H, H-4Cer, J=6.7、15.2Hz) 4.883(d, 1H, H-1q, J=4.0Hz) 4.748(d, 1H, H-1e, J=7.6Hz) 4.681(d, 1H, H-1c, J=8.5Hz) 4.583(q, 1H, H-5g, J=7.3Hz) 4.174(d, 1H, H-1a, J=7.6Hz) 3.060(t, 1H, H-2a, J=7.9Hz) 2.036(t, 1H, H-2Cer, J=7.3Hz) 1.828(S, 6H, NAc) 1.026(d, 3H, H-6g, J=6.7Hz) 0.854(t, 6H, 2×CH3(Cer), J=6.7Hz) 〔発明の効果〕 本発明方法によれば、糖脂質合成における、オリゴ糖供
与体とセラミド受容体とのカップリング反応を極めて高
収率で行うことができる。[Properties of Compound (43)] Rf = 0.41 (m-BuOH / EtOH / H 2 O = 2/1/1) [α ▲] 23 D ▼ -16.9 ° (C = 0.13, CH 3 OH) 1 H- NMR (d 6 -DMSO, 60 ° C.) δ: 5.556 (dt, 1H, H-5Cer, J = 7.0, 15.2Hz) 5.371 (dd, 1H, H-4Cer, J = 6.7, 15.2Hz) 4.883 (d, 1H, H-1q, J = 4.0Hz) 4.748 (d, 1H, H-1e, J = 7.6Hz) 4.681 (d, 1H, H-1c, J = 8.5Hz) 4.583 (q, 1H, H-5g , J = 7.3Hz) 4.174 (d, 1H, H-1a, J = 7.6Hz) 3.060 (t, 1H, H-2a, J = 7.9Hz) 2.036 (t, 1H, H-2Cer, J = 7.3Hz) ) 1.828 (S, 6H, NAc) 1.026 (d, 3H, H-6g, J = 6.7Hz) 0.854 (t, 6H, 2 × CH 3 (Cer), J = 6.7Hz) [Effect of the invention] The present invention According to the method, the coupling reaction between the oligosaccharide donor and the ceramide acceptor in glycolipid synthesis can be carried out at an extremely high yield.
Claims (2)
護されたオリゴ糖残基を表わし、他はアセチル基を表わ
す。Xはハロゲン原子または‐O‐C(NH)CCl3を表わ
す。)で表わされる化合物と、一般式(II): (式中、R4は保護基を表わす)で表わされる化合物を反
応させて一般式(III): で表わされる化合物を得、保護基を離脱することを特徴
とする一般式(IV): (式中R5、R6、R7の少なくとも1つはオリゴ糖残基を表
わし、他は水素原子を表わす。)で表わされるラクト系
列スフィンゴ糖脂質の合成法。1. General formula (I): (In the formula, at least one of R 1 , R 2 , and R 3 represents an oligosaccharide residue protected by an acetyl group, and the other represents an acetyl group. X represents a halogen atom or -OC (NH) CCl. And a compound represented by the general formula (II): (Wherein R 4 represents a protecting group) is reacted to give a compound of the general formula (III): The compound of the general formula (IV) is characterized in that the compound represented by (In the formula, at least one of R 5 , R 6 and R 7 represents an oligosaccharide residue, and the other represent a hydrogen atom.) A method for synthesizing a lacto-series glycosphingolipid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63055865A JPH0676429B2 (en) | 1987-03-09 | 1988-03-09 | Synthesis of lacto-series glycosphingolipids |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62-53403 | 1987-03-09 | ||
| JP63053403A JPH01226388A (en) | 1988-03-07 | 1988-03-07 | Thermal recording material |
| JP63055865A JPH0676429B2 (en) | 1987-03-09 | 1988-03-09 | Synthesis of lacto-series glycosphingolipids |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6456693A JPS6456693A (en) | 1989-03-03 |
| JPH0676429B2 true JPH0676429B2 (en) | 1994-09-28 |
Family
ID=26394110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63055865A Expired - Lifetime JPH0676429B2 (en) | 1987-03-09 | 1988-03-09 | Synthesis of lacto-series glycosphingolipids |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0676429B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9181292B2 (en) * | 2011-01-05 | 2015-11-10 | Pi-Hui Liang | Methods for preparation of glycosphingolipids and uses thereof |
-
1988
- 1988-03-09 JP JP63055865A patent/JPH0676429B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6456693A (en) | 1989-03-03 |
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