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. 07, 2016
Filed:
Mar. 02, 2011
Jin LI, Liaoning, CN;
Jin Li, Liaoning, CN;
Dalian Heterogeneous Catalyst Co. Ltd., Liaoning, CN;
Jiangsu Yangnong Chemical Co., Ltd., Jiangsu, CN;
Youth Chemical Co., Ltd., Jiangsu, CN;
Abstract
A chiral hydrogenated H-BINOL bisphosphine compound is provided, with the structure shown as the following formula (I), wherein both Rand Rare halogen, H or C-Caliphatic group; Ris H or C-Caliphatic group; Ris halogen, amino, nitro, H, C-Caliphatic group or C-Caromatic group; and X is phenyl, substituted phenyl, cyclohexyl, substituted cyclohexyl, C-Caromatic group, or C-Cheterocyclic aromatic group containing one or more heteroatoms selected from N, S, O. The present invention further provides a catalyst for an asymmetric catalytic hydrogenation reaction which contains the compound, wherein the catalyst can produce more than 90% of enantiomers and efficiency with the turnover number of greater than 100,000 in the asymmetric hydrogenation reaction of imines.