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:
Mar. 03, 1998
Filed:
Jun. 26, 1996
Applicant:
Inventor:
Tohru Minami, Munakata, JP;
Assignee:
Nissan Chemical Industries, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
560179 ; 562579 ; 560254 ; 560265 ;
Abstract
The invention is to provide an asymmetric reaction catalyst useful for the production of medical or agricultural chemicals or intermediates thereof. The catalyst comprises an optically active monophosphino carboxylic acid derivative represented by the formula (I): ##STR1## where R.sup.1 represents a C.sub.1-6 alkyl group or phenyl group which may be optionally substituted with a C.sub.1-4 alkyl group or C.sub.1-4 alkoxy group,