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, 2015
Filed:
Jul. 25, 2013
Applicant:
Lonza Ag, Basel, CH;
Inventors:
Dominique Michel, Sierre, CH;
Rudolf Fuchs, Sitten, CH;
Assignee:
Lonza AG, Basel, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 333/16 (2006.01); C07D 307/42 (2006.01); C07D 307/80 (2006.01); C07D 333/56 (2006.01); C07D 333/20 (2006.01); C07C 213/00 (2006.01); C07C 221/00 (2006.01); C07C 225/16 (2006.01); C07D 307/46 (2006.01); C07D 333/22 (2006.01); C07D 307/52 (2006.01);
U.S. Cl.
CPC ...
C07D 333/20 (2013.01); C07D 307/80 (2013.01); C07D 333/56 (2013.01); C07D 333/16 (2013.01); C07D 307/42 (2013.01); C07C 213/00 (2013.01); C07C 221/00 (2013.01); C07C 225/16 (2013.01); C07D 307/46 (2013.01); C07D 333/22 (2013.01); C07D 307/52 (2013.01);
Abstract
A process is disclosed for the preparation of a compound of formula and/or an addition salt of a proton acid, wherein Rand Rindependently represent alkyl, cycloalkyl, aryl or aralkyl, each aryl or aralkyl being optionally further substituted with alkyl, alkoxy and/or halogen.