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:
Dec. 16, 1997
Filed:
Jul. 11, 1996
Applicant:
Inventors:
Assignee:
Cerbios Pharma S.A., , CH;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
549332 ; 549554 ; 552653 ;
Abstract
The invention recites a process for preparing 9,10-secocholesta-5,7,10(19)-trienes of formula (I) ##STR1## where R.sup.1 is hydrogen or a hydroxy-protecting group and R.sup.2 and R.sup.3 are independently hydrogen or OR.sup.1. The compounds are prepared from epoxides of the following formulas ##STR2## by reaction with a low-valent metal reagent formed by reducing a metal halide, M(z)X.sub.z, preferably WCl.sub.6.
Schickli, Christof. (1997). Process for the preparation of 9, 10-secocholesta-5,7,10 (19)-trienes (U.S. Patent No. 5698714). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5698714
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile