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:
Dec. 29, 2020
Filed:
Jan. 13, 2020
Applicant:
Apotex Inc., Toronto, CA;
Inventors:
Michael R. Emmett, Delaware, CA;
Prabhudas Bodhuri, San Ramon, CA (US);
Yajun Zhao, Brantford, CA;
Eduardo Gustavo Cammisa, Markham, CA;
Stuart P. Green, Mount Pleasant, CA;
Assignee:
Apotex Inc., Toronto, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 405/12 (2006.01); C07C 211/52 (2006.01); C07D 317/60 (2006.01);
U.S. Cl.
CPC ...
C07D 405/12 (2013.01); C07C 211/52 (2013.01); C07D 317/60 (2013.01);
Abstract
The present invention provides processes for the preparation of Tezacaftor, as well as intermediates useful in the preparation thereof. In particular, processes are provided for the preparation of a compound of Formula (3), and its conversion to Tezacaftor (1).