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. 19, 2019
Filed:
Sep. 09, 2015
Applicant:
Cipla Limited, Mumbai, IN;
Inventors:
Dharmaraj Ramachandra Rao, Thane, IN;
Geena Malhotra, Mumbai, IN;
Venkata Srinivas Pullela, Bangalore, IN;
Vinod Parameshwaran Acharya, New Panvel (East), IN;
Nagarjuna Reddy Vantadou, Kharghar, IN;
Assignee:
CIPLA LIMITED, Mumbai, IN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 407/14 (2006.01); C07D 493/22 (2006.01); C07F 7/18 (2006.01); C07D 519/00 (2006.01);
U.S. Cl.
CPC ...
C07D 493/22 (2013.01); C07D 407/14 (2013.01); C07D 519/00 (2013.01); C07F 7/1804 (2013.01);
Abstract
The present invention discloses a novel process for the preparation of macrocyclic ketone analogs of halichondrin B or pharmaceutically acceptable salts thereof and to novel intermediates which are produced during the course of carrying out the novel process.