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. 29, 2011
Filed:
Oct. 04, 2005
Applicants:
Neela Praveen Kumar, Andhra Pradesh, IN;
Mahavir Singh Khanna, Delhi, IN;
Mohan Prasad, Haryana, IN;
Yatendra Kumar, Haryana, IN;
Inventors:
Neela Praveen Kumar, Andhra Pradesh, IN;
Mahavir Singh Khanna, Delhi, IN;
Mohan Prasad, Haryana, IN;
Yatendra Kumar, Haryana, IN;
Assignee:
Ranbaxy Laboratories Limited, New Delhi, IN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 401/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a process for enantioselective synthesis of substituted pyridinylmethyl sulfinyl-benzimidazole of compound of Formula (I). The process includes enantioselective catalytic oxidation of a substituted pyridinylmethyl prochiral sulfide derivative of compound of Formula (II) with an oxidizing agent in the presence of a chiral transition metal complex and a base in the absence of an organic solvent.