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:
Jun. 02, 1998
Filed:
Feb. 21, 1995
Applicant:
Inventors:
Francis Brion, Gagny, FR;
Jean Buendia, Le Perreux Sur Marne, FR;
Christian Diolez, Palaiseau, FR;
Michel Vivat, Lagny Sur Marne, FR;
Assignee:
Roussel Uclaf, , FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07J / ; C07J / ;
U.S. Cl.
CPC ...
552602 ; 540 30 ; 540 34 ;
Abstract
A process for the production of a compound of the formula ##STR1## wherein R.sub.1 is acyl of 1 to 8 carbon atoms,. The compound is formed by the reduction of an intermediary to form an alcohol, epoxidation and hydrolyzation of the alcohol to form a compound of formula ##STR2## followed by the acylation of the hydroxy functions and the elimination of the 17.alpha.-substituent.