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JPS5924994B2 - Novel pyrido[2,3-d]-S-triazolo[4,3-c]pyrimidine derivatives - Google Patents
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JPS5924994B2 - Novel pyrido[2,3-d]-S-triazolo[4,3-c]pyrimidine derivatives - Google Patents

Novel pyrido[2,3-d]-S-triazolo[4,3-c]pyrimidine derivatives

Info

Publication number
JPS5924994B2
JPS5924994B2 JP51001316A JP131676A JPS5924994B2 JP S5924994 B2 JPS5924994 B2 JP S5924994B2 JP 51001316 A JP51001316 A JP 51001316A JP 131676 A JP131676 A JP 131676A JP S5924994 B2 JPS5924994 B2 JP S5924994B2
Authority
JP
Japan
Prior art keywords
triazolo
pyrimidine
melting point
dihydropyrido
reaction
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
Application number
JP51001316A
Other languages
Japanese (ja)
Other versions
JPS5285194A (en
Inventor
寛治 野田
晃 中川
要一 中島
博之 井出
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hisamitsu Pharmaceutical Co Inc
Original Assignee
Hisamitsu Pharmaceutical Co Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hisamitsu Pharmaceutical Co Inc filed Critical Hisamitsu Pharmaceutical Co Inc
Priority to JP51001316A priority Critical patent/JPS5924994B2/en
Publication of JPS5285194A publication Critical patent/JPS5285194A/en
Publication of JPS5924994B2 publication Critical patent/JPS5924994B2/en
Expired legal-status Critical Current

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  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Description

【発明の詳細な説明】 本発明は一般式(I) □R2(I) (式中、R1はフェニル基又はハロゲン原子、トリフル
オロメチル基で置換されたフェニル基を、R2は水素原
子、低級アルキル基又はハロゲン原子、シアノ基で置換
された低級アルキル基を、Xはメチレン基又はカルボニ
ル基を意味する)で表わされる新規なピリド〔2、3−
d〕−5−トリアゾロ〔4、3−c〕ピリミジン誘導体
に関するものである。
Detailed Description of the Invention The present invention is based on the general formula (I) □R2(I) (wherein, R1 is a phenyl group, a halogen atom, or a phenyl group substituted with a trifluoromethyl group, and R2 is a hydrogen atom, a lower A new pyrido [2,3-
d]-5-triazolo[4,3-c]pyrimidine derivatives.

本発明の新規化合物群は顕著な鎮痛作用、抗炎症作用、
解熱作用、中枢神経抑制作用、坑潰瘍作用、抗ヒスタミ
ン作用、利尿作用及び制服作用等の薬理作用を有し、新
規医薬品として産業上非常に有用な化合物である。
The novel compound group of the present invention has remarkable analgesic and anti-inflammatory effects,
It has pharmacological effects such as antipyretic action, central nervous system depressant action, anti-ulcer action, antihistamine action, diuretic action, and uniform action, and is an industrially very useful compound as a new drug.

さて、ここで前記一般式(I)におけるR1及びR2に
ついて更に詳細に説明すると、R1はフェニル基又は置
換フェニル基等のアリール基を表わし、R2は水素原子
又はトリハロゲノメチル基、低級アルキル基及び置換低
級アルキル基等のアルキル基を表わす。
Now, to explain R1 and R2 in the general formula (I) in more detail, R1 represents an aryl group such as a phenyl group or a substituted phenyl group, and R2 represents a hydrogen atom, a trihalogenomethyl group, a lower alkyl group, or Represents an alkyl group such as a substituted lower alkyl group.

更に具体的には、R1はフェニル基、塩素、臭素、弗素
、沃素等のハロゲン原子又はトリフルオロメチル基が任
意の位置に1〜2個置換したフ工ニル基を表わす。
More specifically, R1 represents a phenyl group, a phenyl group substituted with one or two halogen atoms such as chlorine, bromine, fluorine, and iodine, or trifluoromethyl groups at arbitrary positions.

又R2は水素原子、メチル、エチル、n−プロピル、イ
ソプロピル、n−ブチル、イソブチル等の低級アルキル
基、塩素、臭素、弗素、沃素等のハロゲン原子又はシア
ノ基で置換された低級アルキル基を表わす。次に、本発
明に係る化合物の製造方法について述べる。
R2 represents a hydrogen atom, a lower alkyl group such as methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, a halogen atom such as chlorine, bromine, fluorine, iodine, or a lower alkyl group substituted with a cyano group. . Next, a method for producing the compound according to the present invention will be described.

但し、以下に記載の方法は一例にすぎず、これに限定さ
れるものではなく、当然、他の化学的類似方法によつて
も製造出来るものである。製造方法 1反応式中、Rl
,R2及びXは前記と同じ意味を有し、R3は低級アル
キル基を表わす。
However, the method described below is only an example, and the invention is not limited thereto. Naturally, it can also be produced by other chemically similar methods. Manufacturing method 1 In the reaction formula, Rl
, R2 and X have the same meanings as above, and R3 represents a lower alkyl group.

当該方法はジメチルホルムアミド、テトラヒドロフラン
、ジオキサン、ジグリム、ベンゼン、トルエン、キシレ
ン等の有機溶媒中、一般式()で表わされる化合物1モ
ルに対して一般式(1)で表わされる化合物を2〜5モ
ル使用、還流下2〜3時間反応させればすみやかに進行
する。又、一般式(l)で表わされる反応試薬を過剰モ
ル使用、無溶媒下に反応させてもよい。製造方法 2 反応式中、Rl,R2及びXは前記と同じ意味を有する
The method involves adding 2 to 5 mol of the compound represented by general formula (1) per 1 mol of the compound represented by general formula () in an organic solvent such as dimethylformamide, tetrahydrofuran, dioxane, diglyme, benzene, toluene, or xylene. When used, the reaction proceeds quickly by allowing the reaction to proceed under reflux for 2 to 3 hours. Further, the reaction reagent represented by the general formula (l) may be used in an excess molar amount and the reaction may be carried out without a solvent. Manufacturing method 2 In the reaction formula, Rl, R2 and X have the same meanings as above.

当該方法はテトラヒドロフラン、クロロホルム、ベンゼ
ン、トルエン、キシレン等の反応に関与しない有機溶媒
中、一般式()で表わされる化合物1モルに対して一般
式(IV)で表わされる化合物又はその反応性誘導体を
1〜3モル使用し、還流下反応させればすみやかに進行
する。又一般式(IV)で表わされる化合物を過剰モル
使用し無溶媒下に反応させてもよい。更に、一般式(I
V)で表わされる化合物が固体の場合は溶融下に反応さ
せればよい。製造方法 3 反応式中、R1及びR2は前記と同じ意味を有するが、
Xはこの方法に限りカルボニル基のみの意味を有する。
The method involves adding a compound represented by the general formula (IV) or a reactive derivative thereof to 1 mole of the compound represented by the general formula () in an organic solvent that does not participate in the reaction, such as tetrahydrofuran, chloroform, benzene, toluene, or xylene. If 1 to 3 moles are used and the reaction is carried out under reflux, the reaction proceeds quickly. Alternatively, the compound represented by the general formula (IV) may be used in an excess molar amount and the reaction may be carried out without a solvent. Furthermore, the general formula (I
When the compound represented by V) is a solid, the reaction may be carried out in a molten state. Production method 3 In the reaction formula, R1 and R2 have the same meanings as above,
X has the meaning only of a carbonyl group only in this method.

当該方法は前記一般式(で表わされる化合物を各種の酸
化剤(例えば過マンガン酸塩、クロム酸塩、重クロム酸
塩、二酸化セレン又は酢酸第二水銀等)で酸化すること
によつて行なわれる。反応温度は特に限定されず室温か
ら溶媒の沸点まであり、溶媒としてはベンゼン、トルエ
ン、テトラヒドロフラン、アセトン、エタノール、酢酸
等の不活性溶媒から適宜選択することが出来る。製造方
法 4反応式中、Zはハロゲン原子、メルカプト基、低
級アルコキシ基又は低級アルキルチオ基を、X,Rl及
びR2は前記と同じ意味を有する。
The method is carried out by oxidizing the compound represented by the general formula () with various oxidizing agents (e.g. permanganate, chromate, dichromate, selenium dioxide or mercuric acetate). The reaction temperature is not particularly limited and ranges from room temperature to the boiling point of the solvent, and the solvent can be appropriately selected from inert solvents such as benzene, toluene, tetrahydrofuran, acetone, ethanol, and acetic acid.Production method In the 4 reaction formulas, Z represents a halogen atom, a mercapto group, a lower alkoxy group or a lower alkylthio group, and X, Rl and R2 have the same meanings as above.

当該方法は一般式(Vl)で表わされる化合物に一般式
(4)で表わされるアシルヒドラジン類を反応させ、一
挙に目的化合Fjf!!jl)又は中間体として一般式
(4)で表わされるアシルヒドラジノ誘導体とし、更に
脱水閉環して化合物(1)にする方法である。本反応は
メタノール、エタノール、テトラヒドロフラン、ジメチ
ルホルムアミド等の有機溶媒中、化合撫VOlモルに対
して化合物(4)を2〜5モル程度使用する。本反応は
室温でも十分進行するが、必要に応じて加温又は加熱下
に行なつてもよい。かくして得られた中間体(4)の目
的化合物(1)への閉環反応は通常加熱することによつ
て容易に行なわれる。例えば無溶媒下にその物質の融点
又は融点より10〜20℃高い温度で加熱すると目的を
達することが出来るし、又高沸点溶媒中(例えば、トル
エン、キシレン、ピリジン、ジメチルホルムアミド、テ
トラリン等)中、その溶媒の沸点又は沸点付近で加熱す
ると反応は進行する。又本反応は通常使用される脱水剤
(例えば、オキシ塩化燐、五酸化燐、ポリリン酸等)で
処理しても進行する。前記製造方法1,2,3及び4で
得られた反応生成物は減圧下に溶媒又は過剰の反応試薬
を留去し残渣に水を加え、得られた結晶をメタノール、
エタノール、エーテル、酢酸エステル等の有機溶媒より
再結晶するか又はカラムクロマト法で分離精製すること
によつて本発明の化合物の純品を得ることが出来る。
In this method, a compound represented by general formula (Vl) is reacted with an acylhydrazine represented by general formula (4), and the target compound Fjf! ! jl) or an acylhydrazino derivative represented by general formula (4) as an intermediate, and further dehydration and ring closure to form compound (1). In this reaction, about 2 to 5 moles of compound (4) are used per mole of VOl of the compound in an organic solvent such as methanol, ethanol, tetrahydrofuran, dimethylformamide, etc. Although this reaction proceeds satisfactorily at room temperature, it may be carried out with or under heating if necessary. The ring-closing reaction of the thus obtained intermediate (4) to the target compound (1) is usually easily carried out by heating. For example, the purpose can be achieved by heating at the melting point of the substance in the absence of a solvent or at a temperature 10 to 20°C higher than the melting point, or in a high boiling point solvent (for example, toluene, xylene, pyridine, dimethylformamide, tetralin, etc.). , the reaction proceeds when heated at or near the boiling point of the solvent. This reaction also proceeds even when treated with a commonly used dehydrating agent (for example, phosphorus oxychloride, phosphorus pentoxide, polyphosphoric acid, etc.). The reaction products obtained in Production Methods 1, 2, 3, and 4 are distilled off under reduced pressure to remove the solvent or excess reaction reagent, water is added to the residue, and the resulting crystals are dissolved in methanol,
A pure product of the compound of the present invention can be obtained by recrystallizing it from an organic solvent such as ethanol, ether, or acetate, or by separating and purifying it by column chromatography.

さて、ここで前記各製造方法における出発物質について
説明する。
Now, the starting materials in each of the above manufacturing methods will be explained.

製造方法1及び2の出発物質である一般式()で表わさ
れる化合物は、1一置換一4−オキソ一1,2,3,4
−テトラヒドロピリド〔2,3−d〕ピリミジン誘導体
又は1一置換−2ーオキソ一4−チオ−1,2,3,4
−テトラヒドロピリド〔2,3−d〕ピリミジン誘導体
にオキシ塩化燐又は五塩化燐を反応させ、4−クロル体
とした後、ヒドラジンを反応させることによつて収量よ
く得ることが出来る。又、製造方法3の出発物質である
一般式(で表わされる化合物は、1一置換−3−ヒドラ
ジノ1,2−ジヒドロピリド〔2,3−d〕ピリミジン
誘導体にカルボン酸誘導体又はその反応性誘導体を反応
させることによつて収量よく得られる。
The compound represented by the general formula (), which is the starting material for Production Methods 1 and 2, is a 1-substituted 1-4-oxo-1,2,3,4
-tetrahydropyrido[2,3-d]pyrimidine derivative or 1-substituted-2-oxo-4-thio-1,2,3,4
-Tetrahydropyrido[2,3-d]pyrimidine derivatives can be reacted with phosphorus oxychloride or phosphorus pentachloride to form a 4-chloride, and then reacted with hydrazine to obtain a good yield. In addition, the compound represented by the general formula (which is the starting material for Production Method 3) is obtained by adding a carboxylic acid derivative or a reactive derivative thereof to a 1-monosubstituted-3-hydrazino-1,2-dihydropyrido[2,3-d]pyrimidine derivative. It can be obtained in good yield by reaction.

製造方法4の出発物質である一般式(VDで表わされる
化合物は1一置換−4−オキソ一1,2,3,4−テト
ラヒドロピリド〔2,3−d〕ピリミジン誘導体又は1
一置換−2−オキソ一4−チオ−1,2,3,4−テト
ラヒドロピリド〔2,3−d〕ピリミジン誘導体にオキ
シ臭化燐、オキシ塩化燐又は五塩化燐を反応させるか、
ここで得られた4−ハロゲノ体に水硫化ナトリウム、ナ
トリウムアルコラード又はナトリウムアルキルスルフイ
ツドを反応させることによつて収量良く合成できる。以
下実施例により本発明を更に詳細に説明する。
The starting material for production method 4, the compound represented by the general formula (VD), is a 1-substituted-4-oxo-1,2,3,4-tetrahydropyrido[2,3-d]pyrimidine derivative or a 1
Reacting a monosubstituted-2-oxo-4-thio-1,2,3,4-tetrahydropyrido[2,3-d]pyrimidine derivative with phosphorus oxybromide, phosphorus oxychloride or phosphorus pentachloride,
It can be synthesized in good yield by reacting the 4-halogen compound obtained here with sodium hydrosulfide, sodium alcoholade, or sodium alkyl sulfide. The present invention will be explained in more detail with reference to Examples below.

実施例 11−(p−フルオロフエニル)−4−ヒドラ
ジノ一1,2−ジヒドロピリド〔2,3−d〕ピリミジ
ン2.69とオルトギ酸エチル7.09の混合物をジメ
チルホルムアミド20m1中で3時間還流を行なつた。
Example 11-(p-Fluorophenyl)-4-hydrazino-1,2-dihydropyrido[2,3-d]pyrimidine A mixture of 2.69% and 7.09% of ethyl orthoformate was refluxed in 20ml of dimethylformamide for 3 hours. I did this.

反応終了後溶媒を減圧下に留去し残渣に水を加えて得ら
れた結晶を淵取しメタノールから再結すると、6−(p
−フルオロフエニノ(ハ)−1,2−ジヒドロピリド〔
2,3−d〕−S−トリアゾロ〔4,3−c〕ピリミジ
ン2.29を得た。この物質の融点及び元素分析値は次
の通りであつた。融 点 199〜200値C 元素分析値 Cl4HlOFN5 理論値C:62.92H:3.77N:26.20実測
値C:62.95H:3.76N:26.05実施例
21−(m−トリフルオロメチルフエニル)−4ヒドラ
ジノ一2−オキソ一1,2−ジヒドロピリド〔2,3−
d〕ピリミジン3.2f1とオルト酢酸エチル8,09
の混合物をジメチルホルムアミド25m1中で3時間還
流を行なつた。
After the reaction, the solvent was distilled off under reduced pressure, water was added to the residue, and the resulting crystals were filtered and reconsolidated from methanol to give 6-(p
-Fluorophenino(c)-1,2-dihydropyride [
2.29 of 2,3-d]-S-triazolo[4,3-c]pyrimidine was obtained. The melting point and elemental analysis values of this substance were as follows. Melting point 199-200 Value C Elemental analysis value Cl4HlOFN5 Theoretical value C: 62.92H: 3.77N: 26.20 Actual value C: 62.95H: 3.76N: 26.05 Example
21-(m-trifluoromethylphenyl)-4hydrazino-2-oxo-1,2-dihydropyrido[2,3-
d] Pyrimidine 3.2f1 and ethyl orthoacetate 8,09
The mixture was refluxed in 25 ml of dimethylformamide for 3 hours.

反応終了後、溶媒を減圧下に留去し、残渣に水を加えて
得た結晶を沢取しメタノールから再結すると、3−メチ
ル−6−(m−トリフルオロメチルフエニル)−5オキ
ソ一5,6−ジヒドロピリド〔2,3−d〕−S−トリ
アゾロ〔4,3−c〕ピリミジン2.89を得た。この
物質の融点及び元素分析値は次の通りであつた。
After the reaction, the solvent was distilled off under reduced pressure, water was added to the residue, the resulting crystals were collected and reconstituted from methanol to give 3-methyl-6-(m-trifluoromethylphenyl)-5oxo. 2.89 of 15,6-dihydropyrido[2,3-d]-S-triazolo[4,3-c]pyrimidine was obtained. The melting point and elemental analysis values of this substance were as follows.

融 点 299〜302℃ 元素分析値 Cl6HlOF3N5O 理論値C:55,65H:2.92N:20.28実測
値C:55.68H:2.87N:20.21実施例
31−(m−クロロフエニノ(ハ)−4−ヒドラジノ一
1,2−ジヒドロピリド〔2,3−d〕ピリミジン2.
7g、無水トリフルオロ酢酸59とテトラヒドロフラン
15m1の混合物を80℃で2時間封管反応を行なつた
Melting point 299-302°C Elemental analysis value Cl6HlOF3N5O Theoretical value C: 55,65H: 2.92N: 20.28 Actual value C: 55.68H: 2.87N: 20.21 Example
31-(m-chloropheno(c)-4-hydrazino-1,2-dihydropyrido[2,3-d]pyrimidine)2.
A mixture of 7g of trifluoroacetic anhydride and 15ml of tetrahydrofuran was reacted in a sealed tube at 80°C for 2 hours.

反応終了後、減圧下に溶媒を留去し残渣に水を加えて得
た結晶を淵取しメタノールから再結すると、3−トリフ
ルオロメチル−6一(m−クロロフエニル)−5,6−
ジヒドロピリド〔2,3−d〕−S−トリアゾロ〔4,
3−c〕ピリミジン2.89を得た。この物質の融点及
び元素分析値は次の通りであつた。
After the reaction, the solvent was distilled off under reduced pressure, water was added to the residue, and the resulting crystals were filtered and reconsolidated from methanol to give 3-trifluoromethyl-6-(m-chlorophenyl)-5,6-
dihydropyrido[2,3-d]-S-triazolo[4,
3-c]pyrimidine 2.89 was obtained. The melting point and elemental analysis values of this substance were as follows.

融 点 164〜166℃ 元素分析値 Cl5H9CiF3N5 理論値C:51.22H:2.58N:19.91実測
値C:51.13H:2.68N:20.17実施例
41−(m−トリフルオロメチルフエニル)−4−ヒド
ラジノ一1,2−ジヒドロピリド〔2,3−d〕ピリミ
ジン3.09と無水酢酸3.09の混合物を酢酸20m
1中で2時間還流を行なつた。
Melting point 164-166°C Elemental analysis value Cl5H9CiF3N5 Theoretical value C: 51.22H: 2.58N: 19.91 Actual value C: 51.13H: 2.68N: 20.17 Example
A mixture of 41-(m-trifluoromethylphenyl)-4-hydrazino-1,2-dihydropyrido[2,3-d]pyrimidine (3.09 g) and acetic anhydride (3.09 g.) was added to 20 mL of acetic acid.
Refluxing was carried out in 1 for 2 hours.

反応終了後、減圧下に溶媒を留去し、水を加えて得られ
た結晶を済取しメタノールから再結すると、3−メチル
6−(m−トリフルオロメチルフエニル)−5,6−ジ
ヒドロピリド〔2,3−d〕−S−トリアゾロ〔4,3
−c〕ピリミジン1.7gを得た。この物質の融点及び
元素分析値は次の通りであつた。融 点 198〜
20『C 元素分析値 Cl6Hl2F3N5 理論値C:58.00H:3.65N:21,14実測
値C:58.24H:3.80N:21.09実施例
51−(m−トリフルオロメチルフエニル)−4一ヒド
ラジノ一2−オキソ一1,2−ジヒドロピリド〔2,3
−d〕ピリミジン39と無水酢酸39の混合物を酢酸2
0m1中で1時間還流を行なつた。
After the reaction is complete, the solvent is distilled off under reduced pressure, water is added, the resulting crystals are collected and reconstituted from methanol, and 3-methyl6-(m-trifluoromethylphenyl)-5,6- Dihydropyrido[2,3-d]-S-triazolo[4,3
-c] 1.7 g of pyrimidine was obtained. The melting point and elemental analysis values of this substance were as follows. Melting point 198~
20'C Elemental analysis value Cl6Hl2F3N5 Theoretical value C: 58.00H: 3.65N: 21,14 Actual value C: 58.24H: 3.80N: 21.09 Example
51-(m-trifluoromethylphenyl)-4-hydrazino-2-oxo-1,2-dihydropyrido [2,3
-d] Mixture of pyrimidine 39 and acetic anhydride 39 with acetic acid 2
Refluxing was carried out in 0 ml for 1 hour.

反応終了後、反応混合物を過剰の水中に混ぜると結晶が
析出した。これを淵取し、メタノールから再結すると3
−メチル−6−(m−トリフルオロメチルフエニル)−
5−オキソ一5,6−ジヒドロピリド〔2,3−d〕−
S−トリアゾロ〔4,3−c〕ピリミジン2.5f1を
得た。この物質の融点及び元素分析値は次の通りであつ
た。
After the reaction was completed, the reaction mixture was mixed into excess water to precipitate crystals. When this is extracted and reconstituted from methanol, 3
-Methyl-6-(m-trifluoromethylphenyl)-
5-oxo-5,6-dihydropyrido[2,3-d]-
S-triazolo[4,3-c]pyrimidine 2.5f1 was obtained. The melting point and elemental analysis values of this substance were as follows.

融 点 299〜302℃ 元素分析値 Cl6HlOF3N5O 理論値C:55.65H:2.92N:20.28実測
値C:55.55H:2.89N:20.21実施例
63−トリフルオロメチル−6−(m−トリフルオロメ
チルフエニル)−5,6−ジヒドロピリド〔2,3−d
〕−S−トリアゾロ〔4,3−c〕ピリミジン3.99
と三酸化クロム29の混合物を酢酸25W11中で2時
間還流を行なつた。
Melting point 299-302°C Elemental analysis value Cl6HlOF3N5O Theoretical value C: 55.65H: 2.92N: 20.28 Actual value C: 55.55H: 2.89N: 20.21 Example
63-Trifluoromethyl-6-(m-trifluoromethylphenyl)-5,6-dihydropyrido [2,3-d
]-S-triazolo[4,3-c]pyrimidine 3.99
A mixture of chromium trioxide and chromium trioxide 29 was refluxed for 2 hours in acetic acid 25W11.

反応終了後溶媒を減圧下に留去し、残渣に水を加えて得
られた結晶を淵取し、エーテルから再結すると、3−ト
リフルオロメチル−6−(m−トリフルオロメチルフエ
ニル)−5−オキソ一5,6−ジヒドロピリド〔2,3
−d〕−S−トリアゾロ〔4,3−c〕ピリミジン3.
09を得た。この物質の融点及び元素分析値は次の通り
であつた。
After the reaction was completed, the solvent was distilled off under reduced pressure, water was added to the residue, the resulting crystals were filtered out, and recrystallized from ether to give 3-trifluoromethyl-6-(m-trifluoromethylphenyl). -5-oxo-5,6-dihydropyrido [2,3
-d]-S-triazolo[4,3-c]pyrimidine3.
I got 09. The melting point and elemental analysis values of this substance were as follows.

融 点 193〜194℃ 元素分析値 Cl6H7F6N5O 理論値C:48.13H:1.77N:17.54実測
値C:47.96H:1.98N:17.71実施例
73−メチル−6−(p−フルオロフエニル)一5,6
−ジヒドロピリド〔2,3−d〕−S−トリアゾロ〔4
,3−c〕ピリミジン2.7gと三酸化クロム2.09
の混合物を酢酸25wL1中で90℃で2時間加熱した
Melting point 193-194°C Elemental analysis value Cl6H7F6N5O Theoretical value C: 48.13H: 1.77N: 17.54 Actual value C: 47.96H: 1.98N: 17.71 Example
73-Methyl-6-(p-fluorophenyl)-5,6
-dihydropyrido[2,3-d]-S-triazolo[4
, 3-c] 2.7 g of pyrimidine and 2.09 chromium trioxide
The mixture was heated at 90°C for 2 hours in 25wL1 acetic acid.

反応終了後溶媒を減圧下に留去し、水を加えて得られた
結晶を済取しメタノールから再結すると、3−メチル−
6−(p−フルオロフエニル)−5−オキソ一5,6−
ジヒドロピリド〔2,3−d〕−S−トリアゾロ〔4,
3−c〕ピリミジン1.49を得た。この物質の融点及
び元素分析値は次の通りであつた。
After the reaction was completed, the solvent was distilled off under reduced pressure, water was added, the resulting crystals were collected, and the crystals were reconstituted from methanol to give 3-methyl-
6-(p-fluorophenyl)-5-oxo-5,6-
dihydropyrido[2,3-d]-S-triazolo[4,
3-c]pyrimidine 1.49 was obtained. The melting point and elemental analysis values of this substance were as follows.

融 点 297〜298値C 元素分析値 C,5HlOFN5O 理論値C:61.02H:3.41N:23.72実測
値C:60.96H:3.26N:23.77更に実施
例1〜7の力法に準じて、次に示す本発明の化合物を合
成した。
Melting point 297-298 value C Elemental analysis value C,5HlOFN5O Theoretical value C: 61.02H: 3.41N: 23.72 Actual value C: 60.96H: 3.26N: 23.77 Furthermore, Examples 1 to 7 The following compounds of the present invention were synthesized according to the force method.

6−(m−トリフルオロメチルフエニル)5,6−ジヒ
ドロピリド〔2,3−d〕−S−トリアゾロ〔4,3−
c〕ピリミジン融点212〜214℃ 3−トリフルオロメチル−6−(m−トリフルオロメチ
ルフエニル)−5,6−ジヒドロピリド〔2,3−d〕
−S−トリアゾロ〔4,3−c〕ピリミジン融点162
〜164−C 3−クロロメチル−6−(m−トリフルオロメチルフエ
ニル)−5,6−ジヒドロピリド〔2,3一d〕−S−
トリアゾロ〔4,3−c〕ピリミジン融点137〜13
9ロC3−シア/メチル−6−(m−トリフルオロメチ
ルフエニル)−5,6−ジヒドロピリド〔2,3d〕−
S−トリアゾロ〔4,3−c〕ピリミジン融点144〜
147℃3−メチル−6−フエニル一5,6−ジヒドロ
ピリド〔2,3−d〕−S−トリアゾロ〔4,3−c〕
ピリジン融点208〜211−C 3−トリフルオロメチル−6−フエニル一5,6−ジヒ
ドロピリド〔2,3−d〕−S−トリアゾロ〔4,3−
c〕ピリミジン融点162〜165ミC 3−メチル−6−(p−フルオロメチルフエニル)−5
,6−ジヒドロピリド〔2,3−d〕−Sートリアゾロ
〔4,3−c〕ピリミジン融 点 207〜208℃(
分解) 3−クロロメチル−6−(m−クロロフエニル)−5,
6−ジヒドロピリド〔2,3−d〕−S−トリアゾロ〔
4,3−c〕ピリミジン融点171〜172〕C 3−シアノメチル−6−(m−クロロフエニル)−5,
6−ジヒドロピリド〔2,3−d〕−S−トリアゾロ〔
4,3−c〕ピリミジン融点159〜160℃ 3−クロロメチル−6−(p−フルオロフエニル)−5
,6−ジヒドロピリド〔2,3−d〕−S−トリアゾロ
〔4,3−c〕ピリミジン融点176〜178℃ 3−シアノメチル−6−(p−フルオロフエニル)−5
,6−ジヒドロピリド〔2,3−d〕−S−トリアゾロ
〔4,3−c〕ピリミジン融点241〜243℃ 6−(m−トリフルオロメチルフエニル)−5オキソ一
5,6−ジヒドロピリド〔2,3−d〕一S−トリアゾ
ロ〔4,3−c〕ピリミジン融点224〜226,C 3−メチル−6−フエニル一5−オキソ一5,6−ジヒ
ドロピリド〔2,3−d〕−S−トリアゾロ〔4,3−
c〕ピリミジン融点298〜302℃ 3−トリフルオロメチル−6−フエニル一5−オキソ一
5,6−ジヒドロピリド〔2,3−d〕−Sートリアゾ
ロ〔4,3−c〕ピリミジン融点283〜285℃ 6−(p−フルオロフエニル)−5−オキソ一5,6−
ジヒドロピリド〔2,3−d〕−S−トリアゾロ〔4,
3−c〕ピリミジン融点199〜200℃ 3−トリフルオロメチル−6−(m−クロロフエニノ(
ハ)−5−オキソ一5,6−ジヒドロピリド〔2,3−
d〕−S−トリアゾロ〔4,3−c〕ピリミジン融点1
91〜193−C
6-(m-trifluoromethylphenyl)5,6-dihydropyrido[2,3-d]-S-triazolo[4,3-
c] Pyrimidine melting point 212-214°C 3-trifluoromethyl-6-(m-trifluoromethylphenyl)-5,6-dihydropyride [2,3-d]
-S-triazolo[4,3-c]pyrimidine Melting point 162
~164-C 3-chloromethyl-6-(m-trifluoromethylphenyl)-5,6-dihydropyrido[2,31d]-S-
Triazolo[4,3-c]pyrimidine melting point 137-13
9loC3-cya/methyl-6-(m-trifluoromethylphenyl)-5,6-dihydropyrido[2,3d]-
S-triazolo[4,3-c]pyrimidine melting point 144~
147℃3-Methyl-6-phenyl-5,6-dihydropyrido[2,3-d]-S-triazolo[4,3-c]
Pyridine melting point 208-211-C 3-trifluoromethyl-6-phenyl-5,6-dihydropyrido[2,3-d]-S-triazolo[4,3-
c] Pyrimidine melting point 162-165 miC 3-methyl-6-(p-fluoromethylphenyl)-5
,6-dihydropyrido[2,3-d]-S triazolo[4,3-c]pyrimidine Melting point 207-208°C (
decomposition) 3-chloromethyl-6-(m-chlorophenyl)-5,
6-dihydropyrido[2,3-d]-S-triazolo[
4,3-c]pyrimidine melting point 171-172]C 3-cyanomethyl-6-(m-chlorophenyl)-5,
6-dihydropyrido[2,3-d]-S-triazolo[
4,3-c]pyrimidine Melting point 159-160°C 3-chloromethyl-6-(p-fluorophenyl)-5
,6-dihydropyrido[2,3-d]-S-triazolo[4,3-c]pyrimidine Melting point 176-178°C 3-cyanomethyl-6-(p-fluorophenyl)-5
,6-dihydropyrido[2,3-d]-S-triazolo[4,3-c]pyrimidine Melting point 241-243°C 6-(m-trifluoromethylphenyl)-5oxo-5,6-dihydropyrido[2 ,3-d]-S-triazolo[4,3-c]pyrimidine Melting point 224-226, C 3-methyl-6-phenyl-5-oxo-5,6-dihydropyrido[2,3-d]-S- Triazolo [4,3-
c] Pyrimidine Melting point: 298-302°C 3-Trifluoromethyl-6-phenyl-5-oxo-5,6-dihydropyrido[2,3-d]-S triazolo[4,3-c]pyrimidine Melting point: 283-285°C 6-(p-fluorophenyl)-5-oxo-5,6-
dihydropyrido[2,3-d]-S-triazolo[4,
3-c] Pyrimidine Melting point 199-200°C 3-trifluoromethyl-6-(m-chlorofenino(
c) -5-oxo-5,6-dihydropyrido [2,3-
d]-S-triazolo[4,3-c]pyrimidine melting point 1
91-193-C

Claims (1)

【特許請求の範囲】 1 一般式 ▲数式、化学式、表等があります▼ (式中、R^1はフェニル基又はハロゲン原子、トリフ
ルオロメチル基で置換されたフェニル基を、R^2は水
素原子、低級アルキル基又はハロゲン原子、シアノ基で
置換された低級アルキル基を、Xはメチレン基又はカル
ボニル基を意味する)で表わされるピリド〔2,3−d
〕−S−トリアゾロ〔4,3−c〕ピリミジン誘導体。
[Claims] 1 General formula▲ Numerical formula, chemical formula, table, etc.▼ (In the formula, R^1 is a phenyl group or a phenyl group substituted with a halogen atom or a trifluoromethyl group, and R^2 is hydrogen pyrido [2,3-d
]-S-triazolo[4,3-c]pyrimidine derivative.
JP51001316A 1976-01-05 1976-01-05 Novel pyrido[2,3-d]-S-triazolo[4,3-c]pyrimidine derivatives Expired JPS5924994B2 (en)

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JPS5924994B2 true JPS5924994B2 (en) 1984-06-13

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61152990A (en) * 1984-12-26 1986-07-11 Hitachi Ltd Screw vacuum pump

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2266985A1 (en) * 2009-06-26 2010-12-29 Deutsches Krebsforschungszentrum Stiftung des öffentlichen Rechts Tricyclic Pyrimidine Derivatives as Wnt antagonists

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61152990A (en) * 1984-12-26 1986-07-11 Hitachi Ltd Screw vacuum pump

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