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:
Jun. 29, 2021
Filed:
Nov. 11, 2020
Applicant:
Apotex Inc., Toronto, CA;
Inventors:
Avedis Karadeolian, Brantford, CA;
Fabio E. S. Souza, Brantford, CA;
Michael R. Emmett, Brantford, CA;
Allan W. Rey, Brantford, CA;
Assignee:
Apotex Inc., Ontario, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 213/02 (2006.01); B01J 23/755 (2006.01); C07C 217/60 (2006.01);
U.S. Cl.
CPC ...
C07C 213/02 (2013.01); B01J 23/755 (2013.01); C07C 217/60 (2013.01);
Abstract
The present invention provides processes for the preparation of zuclomiphene, as well as intermediates useful in the preparation thereof. In particular, processes are provided for the carbometallation of diphenylacetylene with a compound of Formula (3) to afford either zuclomiphene or an intermediate which is converted to zuclomiphene.