Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
CYCLOHEXYLMETHANOL
Document Type and Number:
Japanese Patent JP2000302712
Kind Code:
A
Abstract:

To obtain cyclohexylmethanol which is a new compound having voluminous floral perfume and useful as an aromatizing component for toiletry goods such as soap, shampoo, rinse, detergent and cosmetic.

The objective compound is expressed by formula I (R1 is H or methyl; and the bond of formula II is single or double bond and either one of two bonds of formula II is double bond; the wavy line shows a cis isomer or trans isomer), e.g. the compound of formula III. The compound of formula I can be produced e.g. by reacting 4-hydroxymethylcyclohexane carbaldehyde with acetone or methyl ethyl ketone in the presence of a basic catalyst preferably at 0-50°C to obtain an α,β-unsaturated ketone of formula IV, reducing exclusively the carbonyl group of the ketone in the presence of a cerium salt at 0-60°C preferably using a reducing agent and dehydrating the obtained compound of formula V preferably in the presence of an inorganic acid or organic acid in a solvent such as toluene at 50-150°C.


Inventors:
HASHIZUME NAOMICHI
FUKUDA KAZUYUKI
TANAKA SHIGEYOSHI
ETSUNO JIYUNJI
Application Number:
JP11076099A
Publication Date:
October 31, 2000
Filing Date:
April 19, 1999
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
KAO CORP
International Classes:
A61K8/34; A61Q13/00; C07C33/14; C11B9/00; C11D3/50; C11D9/44; (IPC1-7): C07C33/14; A61K7/46; C11B9/00
Attorney, Agent or Firm:
Kaoru Furuya (3 outside)



 
Previous Patent: PRODUCTION OF BETA-SUBSTITUTED ALCOHOL

Next Patent: CYCLOHEXANOL