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:
May. 04, 1976
Filed:
May. 30, 1974
Applicant:
Inventors:
Assignee:
Sumitomo Chemical Co., Ltd., Osaka, JA;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
2603457 ; 2603458 ; 260404 ; 2604045 ; 260464 ;
Abstract
A process for producing cyclopentane derivatives of the formula ##SPC1## Wherein R is hydrogen or a C.sub.1 to C.sub.6 alkyl group, X is a carboxyl or a carboalkoxy group, and the like; Y and Z each is a hydroxyl group, and the like; and n is an integer of from 5 to 7. The derivatives are useful as medicines. The process of this invention comprises the steps shown in the following reaction scheme: ##SPC2## Wherein R, X, Y, Z and n are as defined above, and wherein R' is lower alkyl group.