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. 17, 2018
Filed:
Jun. 06, 2017
Applicant:
Apotex Inc., Toronto, CA;
Inventors:
Yajun Zhao, Brantford, CA;
Murali Kondamreddy, Brantford, CA;
Peter Garth Blazecka, Brantford, CA;
Gamini Weeratunga, Ancaster, CA;
Craig Stewart, Edmonton, CA;
Nalini Nagireddy, Brantford, CA;
Michael B. Johansen, Cambridge, CA;
Uma Kotipalli, Brantford, CA;
Assignee:
Apotex Inc., Toronto, Ontario, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 307/79 (2006.01); C07C 233/05 (2006.01); C07C 13/04 (2006.01); C07B 41/06 (2006.01);
U.S. Cl.
CPC ...
C07D 307/79 (2013.01); C07B 41/06 (2013.01); C07C 13/04 (2013.01); C07C 233/05 (2013.01); C07C 2602/02 (2017.05);
Abstract
The present invention provides processes for the preparation of Tasimelteon (1), as well as processes for the preparation of intermediates of Formulas (2), (3) and (4) useful in the preparation of Tasimelteon (1).