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. 20, 1976
Filed:
May. 29, 1975
Applicant:
Inventors:
Assignee:
Sagami Chemical Research Center, Tokyo, JA;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
2603 / ; 252522 ; 2604 / ; 2606 / ;
Abstract
A process for preparing a bicyclic .gamma.-lactone represented by the formula (I) ##SPC1## wherein R represents a hydrogen atom or a straight or branched chain alkyl group having 1 to 4 carbon atoms and n is an integer of 1 to 6, which comprises condensing a cycloalkene diol compound represented by the formula (II) ##SPC2## wherein n is as defined above, with an orthocarboxylic acid ester represented by the formula (III)
Kondo, Kiyosi. (1976). Process for preparing bicyclic .gamma.-lactone (U.S. Patent No. 3970673). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3970673
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile