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. 31, 2004
Filed:
Aug. 21, 2003
Applicant:
Inventors:
Assignee:
Schering AG, Berlin, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ; C07D / ; C07C 6/9614 ;
U.S. Cl.
CPC ...
C07D / ; C07D / ; C07D / ; C07D / ; C07C 6/9614 ;
Abstract
The invention relates to a method for the preparation of compound of formula (1). The invention further relates to the previously unknown compounds of formulas (5 and 6) as intermediates in the production of benzodiazepines of formula (1).