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:
Dec. 13, 2011
Filed:
Apr. 25, 2008
Applicants:
Hartmut Burghard Zinser, Schaffhausen, CH;
Peter Hermann Hölzle, Schaffhausen, CH;
Inventors:
Hartmut Burghard Zinser, Schaffhausen, CH;
Peter Hermann Hölzle, Schaffhausen, CH;
Assignee:
Tibotec Pharmaceuticals Ltd., Little Island, IE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 303/38 (2006.01); C07C 311/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for the preparation of N-isobutyl-N-(2-hydroxy-3-amino-4-phenylbutyl)-p-nitrobenzenesulfonylamide derivatives in which a (1-benzyl-2-hydroxy-3-isobutylamino-propyl)-carbamic acid derivative is reacted with a p-nitrophenylsulfonyl halide to provide the desired product in a high yield and degree of purity.