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:
May. 28, 2019
Filed:
Mar. 06, 2015
Applicant:
Sandoz Ag, Basel, CH;
Inventors:
Assignee:
Sandoz AG, Basel, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 307/02 (2006.01); C07D 307/20 (2006.01); C07C 69/76 (2006.01); C07D 405/06 (2006.01); C07D 413/06 (2006.01);
U.S. Cl.
CPC ...
C07D 307/20 (2013.01); C07C 69/76 (2013.01); C07D 405/06 (2013.01); C07D 413/06 (2013.01);
Abstract
Disclosed are salts of a compound of formula 1, as shown below, where R, R, R, R' R, Rand Rare as described herein. Also, disclosed is a process for the preparation of the salts of the compounds of formula 1, and intermediates used therein. The salts of the compound of formula 1 can be useful for preparation of halichondrin analogs such as eribulin.