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:
Sep. 30, 1986
Filed:
Sep. 26, 1983
Applicant:
Inventors:
Karl Petzoldt, Berlin, DE;
Rudolf Wiechert, Berlin, DE;
Henry Laurent, Berlin, DE;
Klaus Nickisch, Berlin, DE;
Dieter Bittler, Berlin, DE;
Assignee:
Schering Aktiengesellschaft, Berlin and Bergkamen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07J / ;
U.S. Cl.
CPC ...
540-4 ; 2603974 ; 540 41 ; 540 44 ;
Abstract
A process for preparing a 3.beta.,7.beta.-dihydroxy-.DELTA..sup.5 -steroid of the formula ##STR1## wherein Q is ##STR2## and R.sub.1 is hydrogen, trimethylacetyl, tert-butyldimethylsilyl, dimethyl-2-(3-methylbutyl)silyl or tribenzylsilyl, comprises fermenting a 3.beta.-hydroxy-.DELTA..sup.5 -steroid of the formula ##STR3## wherein Q is as defined above, and
Petzoldt, Karl. (1986). Process for preparing 3.beta.7.beta.-dihydroxy-.delta..sup.5 -steroids (U.S. Patent No. 4614616). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4614616
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile