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:
Feb. 24, 2009
Filed:
Jan. 22, 2004
Applicants:
Joachim Moormann, Werne, DE;
Hans-rainer Hoffmann, Neuwied, DE;
Rudolf Matusch, Marburg, DE;
Inventors:
Assignee:
HF Arzneimittelforschung GmbH, Werne, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 498/00 (2006.01); C07D 265/12 (2006.01); C07D 265/26 (2006.01); C07D 239/00 (2006.01); C07D 239/70 (2006.01); C07D 471/00 (2006.01); C07D 487/00 (2006.01); C07D 491/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Processes for the production of a compound of the following formula (I) by converting a compound of formula (II) with 2-pyrrolidone used in excess relative to compound (II) and processes for the production of a compound of formula (III). The latter process includes preparing compound (I); a reduction reaction which yields compound (III) in salt form; and liberating compound (III) from the salt.