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. 11, 2007
Filed:
Nov. 09, 2001
Applicants:
Gerd Schubert, Jena, DE;
Sven Ring, Jena, DE;
Bernd Erhart, Kahla, DE;
Gerd Mueller, Jena, DE;
Inventors:
Assignee:
Schering AG, Berlin, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07J 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a process for the production of 4-(17α-methyl-substituted 3-oxoestra-4,9-dien-11β-yl)benzaldehyde-(1E or 1Z)-oximes of general formula (I), in which Ris a hydrogen atom, a C-alkyl radical or a CFradical, whereby n is 1, 2 or 3, Ris a C-alkyl radical, X is an OH group in E- or Z-position, and Y is an OC-alkyl group, an SC-alkyl group or an OCHCFgroup, whereby n is 1, 2 or 3, which provides the target compounds of formula (I) with a high yield and good selectivity