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:
Aug. 17, 1976
Filed:
Oct. 15, 1974
Applicant:
Inventor:
Reinhardt P Stein, Audubon, PA (US);
Assignee:
American Home Products Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07J / ;
U.S. Cl.
CPC ...
2603974 ; 2603975 ;
Abstract
An efficient, one-step process for preparing 13-alkyl-17.alpha. alkyl, alkenyl, or alkynyl-17.beta.-acyloxy-4-en-3-one steroids from their corresponding 13-alkyl-17.alpha.-substituted-3-alkoxygona-2,5(10)-dien-17.beta.-ols is disclosed. Products of the instant process possess, for example, progestational activity.