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:
Feb. 09, 2016
Filed:
Oct. 04, 2013
Applicant:
On Target Laboratories, Llc, West Lafayette, IN (US);
Inventors:
Sumith A. Kularatne, West Lafayette, IN (US);
Pravin Gagare, West Lafayette, IN (US);
Mohammad Noshi, West Lafayette, IN (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 475/00 (2006.01); A61K 49/00 (2006.01); G01N 33/569 (2006.01); G01N 33/566 (2006.01); G01N 33/50 (2006.01);
U.S. Cl.
CPC ...
A61K 49/0052 (2013.01); A61K 49/0032 (2013.01); A61K 49/0034 (2013.01); G01N 33/5091 (2013.01); G01N 33/566 (2013.01); G01N 33/56966 (2013.01);
Abstract
The present invention discloses a process for preparing a compound having the formula Including Reacting a compound of the formula 1: with a compound of the formula: in the presence of a polar solvent and trifluoroacetic acid to provide a compound of the formula: or a racemic mixture thereof; and further reacting the compound of the formula: or a racemic mixture thereof; with sodium hydroxide and a compound of the formula: whereinRand Rare as defined above.