Title:
CYCLOHEXYLALKANOLS
Document Type and Number:
Japanese Patent JP3756332
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To obtain a new compound having a floral fragrance of volume feeling, useful for providing wide toiletry products with fragrance.
SOLUTION: This compound is shown by formula I (R1 to R4 are each H, methyl or ethyl; three parts of parallel two lines of dotted line and straight line are each a single bond or a double bond) such as a compound of formula II, etc. The compound is obtained by reacting p- hydroxymethylcyclohexanecarboaldehyde with dihydropyran in the presence of an acidic catalyst such as sulfuric acid to give tetrahydropyranyl ether. The obtained ether is reacted with a phosphonium salt in the presence of a base such as sodium hydride to give an olefin compound. A tetrahydropyranyl ether group is removed from the obtained olefin compound in a solvent such as methanol in the presence of an acid catalyst such as sulfuric acid.
Inventors:
Shigeyoshi Tanaka
Junko Yamamoto
Junji Koshino
Kazuyuki Fukuda
Toi Naoshi
Junko Yamamoto
Junji Koshino
Kazuyuki Fukuda
Toi Naoshi
Application Number:
JP34561198A
Publication Date:
March 15, 2006
Filing Date:
December 04, 1998
Export Citation:
Assignee:
Kao Corporation
International Classes:
A61K8/34; C07C33/14; A61Q13/00; C11B9/00; (IPC1-7): C07C33/14; A61K7/46; C11B9/00
Domestic Patent References:
| JP1207252A | ||||
| JP3076796A | ||||
| JP1207252A | ||||
| JP3076796A |
Other References:
藤巻正生、服部達彦、林和夫、荒井綜一,香料の事典,日本,株式会社朝倉書店,1980年 8月27日,p370, 385, 389
藤巻正生、服部達彦、林和夫、荒井綜一,香料の事典,日本,株式会社朝倉書店,1980年 8月27日,p370, 385, 389
藤巻正生、服部達彦、林和夫、荒井綜一,香料の事典,日本,株式会社朝倉書店,1980年 8月27日,p370, 385, 389
Attorney, Agent or Firm:
Satoshi Furuya
Kaoru Furuya
Takahiko Mizobe
Shinji Mochida
Kaoru Furuya
Takahiko Mizobe
Shinji Mochida