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. 10, 2018
Filed:
Feb. 05, 2015
Applicant:
Stereokem, Inc., Santa Clara, CA (US);
Inventors:
Satyanarayana Janagani, Santa Clara, CA (US);
Venkateshwar Kumar Thaduri, Hyderabad, IN;
Ravisankar Vamaraju, Hyderabad, IN;
Assignee:
STEREOKEM, INC., Santa Clara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 487/04 (2006.01); C07D 487/00 (2006.01);
U.S. Cl.
CPC ...
C07D 487/04 (2013.01); C07D 487/00 (2013.01);
Abstract
Novel intermediates are disclosed as intermediates for preparation of a Sitagliptin. A novel synthetic method to prepare Sitagliptin using the said intermediates is also disclosed.