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:
Mar. 30, 1976
Filed:
Sep. 09, 1974
Applicant:
Inventors:
Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2603 / ; 2604 / ; 2604 / ; 2604 / ; 260470 ; 2605 / ; 2605 / ; 2605 / ; 260516 ; 2605 / ; 2605 / ; 2605 / ; 2605 / ; 2605 / ; 2605 / ; 260598 ; 2605 / ; 2605 / ; 2605855 ;
Abstract
The invention relates to the stereoisomers of novel cyclopentene derivatives and to the preparation thereof. The cyclopentene derivatives are obtained by cycloaddition reaction between cyclopentadiene and a mono-or bis-thioalkyl (or aryl) ketene and reaction between the obtained product and a nucleophile agent. The compounds of the invention are intermediate products valuable for the preparation of different compounds, among which compounds of the prostaglandin type.