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:
Apr. 22, 2008
Filed:
Sep. 19, 2006
Applicants:
Udayampalayam P. Senthilkumar, Tamilnadu, IN;
Thangavel Arulmoli, Tamilnadu, IN;
Venu S. Lakshmipathi, Tamilnadu, IN;
Siripragada M. Rao, Tamilnadu, IN;
Inventors:
Udayampalayam P. Senthilkumar, Tamilnadu, IN;
Thangavel Arulmoli, Tamilnadu, IN;
Venu S. Lakshmipathi, Tamilnadu, IN;
Siripragada M. Rao, Tamilnadu, IN;
Assignee:
Orchid Chemicals & Pharmaceuticals Ltd., Tamilnadu, IN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 471/04 (2006.01); C07D 233/58 (2006.01); C07F 9/28 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention is to relate an improved process using anisole as solvent for the preparation of compound of formula (I) and its pharmaceutically acceptable salts thereof. wherein R represents —NRR, or a groupn=1, 2, 3, 4 and 5, where Rand Rmay be same or different and independently represents hydrogen, or Calkyl.