The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 11, 2000
Filed:
Apr. 11, 1999
Applicant:
Inventors:
Assignee:
Kuraray Co., Ltd., Kurashiki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
512 26 ; 560129 ; 560205 ;
Abstract
The present invention provides a cis-configurational unsaturated ester represented by the formula (1) ##STR1## (where R is a methyl group or a phenyl group, and n is 1 or 2) and also provides a fragrance composition containing the cis-configurational unsaturated ester in an effective amount. The cis-configurational unsaturated ester represented by the formula (1) can be produced by reacting a cyclic vinyl ether represented by the formula (2a) ##STR2## (where n is defined as above) with a Grignard reagent represented by the formula (3a)