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:
Oct. 25, 2016
Filed:
Jun. 28, 2016
Applicant:
Emcure Pharmaceuticals Limited, Bhosari, Pune, IN;
Inventors:
Mukund Keshav Gurjar, Maharashtra, IN;
Swapnil Panditrao Sonawane, Maharashtra, IN;
Golakchandra Sudarshan Maikap, Maharashtra, IN;
Gulabrao Dagadu Patil, Maharashtra, IN;
Shivnath Bhaupatil Shinde, Maharashtra, IN;
Pankaj Shalikrao, Maharashtra, IN;
Samit Satish Mehta, Maharashtra, IN;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 271/10 (2006.01); C07D 413/12 (2006.01);
U.S. Cl.
CPC ...
C07D 413/12 (2013.01);
Abstract
The present invention relates to a novel synthetic route for the preparation of raltegravir and pharmaceutically acceptable salts, starting from 2-amino-2-methylpropanenitrile and oxadiazole carbonyl chloride, through the formation of a pyrimidinone intermediate of formula (V).