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. 14, 1987
Filed:
Sep. 26, 1985
Applicant:
Inventors:
Arun K Mandal, Maharashtra, IN;
Damodar G Jawalkar, Maharashtra, IN;
Satish W Mahajan, Maharashtra, IN;
Assignee:
IEL Limited, Calcutta, IN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
549305 ;
Abstract
A process for the production of (1R,Cis)-4-acetyl-6, 6-dimethyl-3-oxabicyclo-(3.1.0.)-hex-2-one of the formula: ##STR1## which involves reacting (1R,Cis)-4,7,7-trimethyl-3-oxabicyclo-(4.1.0.)-hept-4-en-2-one of the formula: ##STR2## with bromine at a temperature of from 0.degree. C. to 25.degree. C. and treating the brominated reaction mixture at ambient temperature with water, an aqueous solvent solution or an aqueous base solution.
Mandal, Arun. (1987). Process for the production of a (1r,cis)-4 (U.S. Patent No. 4680418). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4680418
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile