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:
Mar. 31, 2009
Filed:
Oct. 27, 2004
Applicants:
Sudhir Nambiar, Thane, IN;
Abhinay Chandrakant Pise, Thane, IN;
Inventors:
Sudhir Nambiar, Thane, IN;
Abhinay Chandrakant Pise, Thane, IN;
Assignee:
Sandoz AG, Basel, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 417/12 (2006.01); C07D 405/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
This invention provides a process for reducing an exocyclic double bond at the 5-position of a thiazolidinedione moiety of a thiazolidinedione precursor comprising the steps of: Preferred solvent media include aqueous N,N-dimethylformamide. Sodium dithionite is a preferred dithionite source.