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. 23, 2015
Filed:
Sep. 09, 2011
Applicants:
Kamaluddin Abdur-rashid, Mississauga, CA;
Wenli Jia, Toronto, CA;
Shuiming LU, Toronto, CA;
Rongwei Guo, Oakville, CA;
Xuanhua Chen, Oakville, CA;
Dino Amoroso, Binbrook, CA;
Inventors:
Kamaluddin Abdur-Rashid, Mississauga, CA;
Wenli Jia, Toronto, CA;
Shuiming Lu, Toronto, CA;
Rongwei Guo, Oakville, CA;
Xuanhua Chen, Oakville, CA;
Dino Amoroso, Binbrook, CA;
Assignee:
Kanata Chemical Technologies Inc., Toronto, Ontario, CA;
Primary Examiner:
Int. Cl.
CPC ...
C07F 15/00 (2006.01); C07F 9/46 (2006.01); C07B 53/00 (2006.01); C07C 29/145 (2006.01); C07C 67/31 (2006.01); C07D 333/22 (2006.01); C07F 9/40 (2006.01); C07F 9/42 (2006.01); C07F 9/50 (2006.01); C07F 9/53 (2006.01);
U.S. Cl.
CPC ...
C07F 15/0093 (2013.01); C07B 53/00 (2013.01); C07B 2200/07 (2013.01); C07C 29/145 (2013.01); C07C 67/31 (2013.01); C07D 333/22 (2013.01); C07F 9/4021 (2013.01); C07F 9/4025 (2013.01); C07F 9/42 (2013.01); C07F 9/5027 (2013.01); C07F 9/5325 (2013.01); C07F 9/5329 (2013.01); C07F 15/0053 (2013.01); C07F 15/0066 (2013.01); C07F 9/46 (2013.01);
Abstract
The present disclosure relates to biaryl diphosphine ligands of the formula (B), processes for the production of the ligands and the use of the ligands in metal catalysts for asymmetric synthesis. The disclosure also relates to intermediates used for the production of the biaryl diphosphine ligand. (Formula (B))