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:
Aug. 16, 2022
Filed:
Jan. 10, 2019
Applicant:
Natco Pharma Ltd, Hyderabad, IN;
Inventors:
Arunkumar Thiriveedhi, Hyderabad, IN;
Swapna Kondaveeti, Hyderabad, IN;
Sathish Thumati, Hyderabad, IN;
Naresh Ghanta, Hyderabad, IN;
Janaki Rama Rao Ravi, Hyderabad, IN;
Durga Prasad Konakanchi, Hyderabad, IN;
Pulla Reddy Muddansani, Hyderabad, IN;
Venkaiah Chowdary Nannapaneni, Hyderabad, IN;
Assignee:
NATCO PHARMA LTD, Hyderabad, IN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 487/04 (2006.01);
U.S. Cl.
CPC ...
C07D 487/04 (2013.01); C07B 2200/13 (2013.01);
Abstract
The present invention relates to an improved process for the preparation of 7-cyclopentyl-N,N-dimethyl-2-{[5-(piperazin-1-yl)pyridin-2-yl]amino}-7H-pyrrolo[2,3-d]pyrimidine-6-carboxamide succinate (1/1) compound of formula-1a and its novel crystalline forms. The said compound of formula-1a is represented by the following structural formula: Formula-1a