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:
Feb. 27, 2001
Filed:
Jan. 28, 2000
Applicant:
Inventors:
Assignee:
Nippon Chemical Industrial Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07F 1/500 ; C07F 9/53 ;
U.S. Cl.
CPC ...
C07F 1/500 ; C07F 9/53 ;
Abstract
An optically active 1,2-bis(dialkylphosphino) benzene derivative represented by the general formula (1) which is suitable as a ligand for a transition metal catalyst in asymmetrical hydrogenation is provided. Also provided is a process for producing such a benzene derivative, and a rhodium metal complex having such a benzene derivative as a ligand which is useful as an asymmetric catalyst for use in asymmetrical hydrogenation.
Imamoto, Tsuneo. (2001). 1, 2-bis(dialkylphosphino) benzene derivates having optical activites, process for producing same, and rhodium metal complexes containing same as ligands (U.S. Patent No. 6194593). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6194593
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile