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:
Jan. 09, 2007
Filed:
Jun. 21, 2005
Applicants:
Srinivasulu Gudipati, Hyderabad, IN;
Srinivas Katkam, Secunderabad, IN;
Rajeshwar Reddy Sagyam, Hyderabad, IN;
Jaya Satyanaraya Kudavalli, West Godavari, IN;
Inventors:
Srinivasulu Gudipati, Hyderabad, IN;
Srinivas Katkam, Secunderabad, IN;
Rajeshwar Reddy Sagyam, Hyderabad, IN;
Jaya Satyanaraya Kudavalli, West Godavari, IN;
Assignees:
Dr. Reddy's Laboratories Limited, Hyderabad, IN;
Dr. Reddy's Laboratories, Inc., Bridgewater, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
C07D 239/42 (2006.01); C07D 319/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
Intermediate compounds for preparing rosuvastatin are prepared by a process comprising oxidizing hydroxy groups to aldehyde groups, using sodium hypochlorite and 2,2,6,6-tetramethyl piperidinyl oxy free radical (TEMPO) as a catalyst.