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:
Jul. 11, 1978
Filed:
Feb. 15, 1977
Applicant:
Inventors:
Kiyoshi Kondo, Yamato, JP;
Daiei Tunemoto, Sagamihara, JP;
Kikuo Sugimoto, Fujino, JP;
Yuriko Takahatake, Tokyo, JP;
Assignee:
Sagami Chemical Research Center, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
260464 ; 252522 ; 260349 ; 2605 / ; 560174 ;
Abstract
A process for producing 3-cyanomethyl cyclopentanone derivatives which are useful precursors of fragrant components in jasmine and analogous thereof such as methyl jasmonoate, methyl dihydrojasmonate, etc., is disclosed. In the process, the jasmonoates are produced starting from .beta.-dicarbonyl compounds and azides through several-step reactions.