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JPS5933571B2 - Synthesis method of dihydrolavandural - Google Patents
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JPS5933571B2 - Synthesis method of dihydrolavandural - Google Patents

Synthesis method of dihydrolavandural

Info

Publication number
JPS5933571B2
JPS5933571B2 JP11692275A JP11692275A JPS5933571B2 JP S5933571 B2 JPS5933571 B2 JP S5933571B2 JP 11692275 A JP11692275 A JP 11692275A JP 11692275 A JP11692275 A JP 11692275A JP S5933571 B2 JPS5933571 B2 JP S5933571B2
Authority
JP
Japan
Prior art keywords
synthesis method
dihydrolavandural
methylbutylidene
alkylamine
prenyl chloride
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
JP11692275A
Other languages
Japanese (ja)
Other versions
JPS5242813A (en
Inventor
順太郎 田中
孝夫 片桐
国彦 高部
秀規 藤原
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP11692275A priority Critical patent/JPS5933571B2/en
Publication of JPS5242813A publication Critical patent/JPS5242813A/en
Publication of JPS5933571B2 publication Critical patent/JPS5933571B2/en
Expired legal-status Critical Current

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

【発明の詳細な説明】 ジヒドロラバンジユラールの合成方法に関するもので
あり、反応式で示せば次の如くなる。
DETAILED DESCRIPTION OF THE INVENTION This invention relates to a method for synthesizing dihydrolabandural, and the reaction formula is as follows.

ノー、だ・ Xt=放。 まず、N−(3−メチルブチ
リデン)アルキルアミンと塩化プレニルとからのジヒド
ロラバンジユラールアルドイミンの合成につき説明する
No, no. Xt = release. First, the synthesis of dihydrolabanduralaldimine from N-(3-methylbutylidene)alkylamine and prenyl chloride will be explained.

実施例1のように、N−(3=メチルブチリデン)アル
キルアミンを−15℃のような低温でリチウムジアルキ
ルアミドと混合し、次いでこれにプレニルクロライドを
低温で反応させるとジヒドロラバンジユラールアルドイ
ミンであるN−〔2−イソプロピルー5−メチルー4−
ヘキセニリデン〕アルキルアミンを生成する。 反応さ
せるプレニルクロライドは、N−(3一メチルブリデン
)−アルキルアミンに対し、当モル以上好ましく2モル
の比で低温で反応させる。
As in Example 1, mixing N-(3=methylbutylidene)alkylamine with lithium dialkylamide at a low temperature such as -15°C and then reacting it with prenyl chloride at a low temperature yields dihydrolavanduralaldo. imine N-[2-isopropyl-5-methyl-4-
Hexenylidene]alkylamine is produced. The prenyl chloride to be reacted is reacted at a low temperature in a molar ratio of at least the same molar amount, preferably 2 molar to N-(3-methylbridene)-alkylamine.

この際使用される触媒としてのリチウムジアルキルアミ
ドは、そのアルキル基としてはブチル、プロピル、エチ
ル等の低級アルキル基よりなるものが使用でき、炭化水
素、エーテル等の不活性溶媒の存在下に反応させること
が好ましい。 次にかくして得られたジヒドロラバンジ
ユラールアルドイミンの加水分解は、無機酸、有機酸と
反応させることによつて達成され容易にジヒドロラバン
ジユラールを得ることができる。
The lithium dialkylamide used as a catalyst in this case can have a lower alkyl group such as butyl, propyl, or ethyl as its alkyl group, and is reacted in the presence of an inert solvent such as a hydrocarbon or ether. It is preferable. Next, hydrolysis of the dihydrolabanduralaldimine thus obtained can be achieved by reacting it with an inorganic acid or an organic acid to easily obtain dihydrolabandural.

得られるジヒドロラバンジユラールは香料原料の外、
各種有機合成原料としての用途が期待される。
The obtained dihydrorabandillal is not only used as a fragrance raw material, but also as a fragrance material.
It is expected to be used as a raw material for various organic synthesis.

実施例 1 (1)ジヒドロラバンジユラールアルドイミンの合 成
15゜Cに冷却された1.07(10mm01)のジイ
ソプロピルアミンを含むヘキサン溶液を15%のn−ブ
チルリチウムイキサン溶液4.37に加え15分攪拌後
、5m1の乾燥エーテルに溶解した新たに蒸留した1.
4y(10mm01)のN−(3−メチルブチリデン)
−tブチルアミンを攪拌下15分かかつて滴下した。
Example 1 (1) Synthesis of dihydrolavanduralaldimine A hexane solution containing 1.07 (10 mm 01) diisopropylamine cooled to 15°C was added to 4.37 ml of a 15% n-butyllithium ixane solution. After stirring for 15 minutes, freshly distilled 1.
4y (10mm01) N-(3-methylbutylidene)
-t-butylamine was added dropwise under stirring for 15 minutes.

更に−15℃で5時間攪拌した。かくして得られた溶液
を5m1の乾燥エーテルに溶解したプレニルクロライド
217(20mm01)に加え−15℃で1時間、次い
で20℃で2時間反応した。
The mixture was further stirred at -15°C for 5 hours. The solution thus obtained was added to prenyl chloride 217 (20 mm01) dissolved in 5 ml of dry ether and reacted at -15°C for 1 hour and then at 20°C for 2 hours.

反応生成液を砕氷上に注ぎ次いでオレンジ色の油層を分
離し、水層はエーテルで2度抽出した。有機層を合せ水
洗し無水芒硝で乾燥した後、溶媒及び未反応プレニルク
ロライド及びN(3−メチルブチリデン)−オーブチル
アミンを回収後、1.8yのジヒドロラバンジユラール
アルドイミンを蒸留分取した。
The reaction product solution was poured onto crushed ice, the orange oil layer was separated, and the aqueous layer was extracted twice with ether. The organic layers were combined, washed with water, and dried over anhydrous sodium sulfate. After recovering the solvent, unreacted prenyl chloride, and N(3-methylbutylidene)-obutylamine, 1.8y of dihydrolabanduralaldimine was fractionated by distillation. .

(B.p.8l〜84℃/5詣Hg)(収率90%)、
このアルドイミンはMASS.NMR.IR等によつて
同定した。)2)加水分解 5m1のエーテルに溶解したジヒドロラバンジユラール
アルドイミン0.67(3mm01)に水12m1に溶
解した蓚酸0.8yを20℃で15分間かけて攪拌下に
滴下した。
(B.p. 8l~84°C/5 pilgrims Hg) (yield 90%),
This aldoimine is MASS. NMR. Identified by IR etc. )2) Hydrolysis 0.8y of oxalic acid dissolved in 12ml of water was added dropwise to 0.67 (3mm01) of dihydrolabandiduralaldimine dissolved in 5ml of ether with stirring at 20°C over 15 minutes.

Claims (1)

【特許請求の範囲】[Claims] 1 N−(3−メチルブチリデン)−アルキルアミンと
塩化プレニルとをリチウムジアルキルアミドの存在下に
反応して得られるジヒドロラバンジユラールアルドイミ
ンを加水分解することを特徴とするジヒドロラバンジユ
ラールの合成法。
1 A dihydrorabane dural, which is obtained by hydrolyzing a dihydrorabane dural aldimine obtained by reacting N-(3-methylbutylidene)-alkylamine and prenyl chloride in the presence of lithium dialkylamide. Synthesis method.
JP11692275A 1975-09-27 1975-09-27 Synthesis method of dihydrolavandural Expired JPS5933571B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11692275A JPS5933571B2 (en) 1975-09-27 1975-09-27 Synthesis method of dihydrolavandural

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11692275A JPS5933571B2 (en) 1975-09-27 1975-09-27 Synthesis method of dihydrolavandural

Publications (2)

Publication Number Publication Date
JPS5242813A JPS5242813A (en) 1977-04-04
JPS5933571B2 true JPS5933571B2 (en) 1984-08-16

Family

ID=14698982

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11692275A Expired JPS5933571B2 (en) 1975-09-27 1975-09-27 Synthesis method of dihydrolavandural

Country Status (1)

Country Link
JP (1) JPS5933571B2 (en)

Also Published As

Publication number Publication date
JPS5242813A (en) 1977-04-04

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