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. 08, 2015
Filed:
Feb. 20, 2013
Applicant:
Celgene Corporation, Summit, NJ (US);
Inventors:
Terrence J. Connolly, Warwick, NY (US);
Alexander L. Ruchelman, Cream Ridge, NJ (US);
William W. Leong, Westfield, NJ (US);
Assignee:
Celgene Corporation, Summit, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 215/00 (2006.01); C07C 315/00 (2006.01); C07C 317/00 (2006.01); C07C 315/04 (2006.01); C07B 53/00 (2006.01);
U.S. Cl.
CPC ...
C07C 315/04 (2013.01); C07B 53/00 (2013.01); C07B 2200/07 (2013.01);
Abstract
Processes for synthesizing aminosulfone compounds are provided. The processes provided herein utilize asymmetric reduction reactions, e.g., asymmetric hydrogenation, of protected or unprotected enamine or ketone substrates. Aminosulfone compounds obtained using methods provided herein are useful in production or synthesis of sulfone group containing isoindoline based compounds.