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:
May. 04, 1976
Filed:
Feb. 28, 1972
Applicant:
Inventors:
Toshitsugu Fukumaru, Kyoto, JA;
Yoshio Suzuki, Amagasaki, JA;
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2605 / ; 252472 ; 2524 / ; 260404 ; 2605 / ; 260999 ;
Abstract
An optically active .alpha.,.beta.-di-phenylethylamine of the formula, ##SPC1## Wherein R.sub.1 and R.sub.2 are each hydrogen or C.sub.1 - C.sub.4 alkyl and m and n are each an integer of 1 to 5, is racemized by heating the optically active amine at a temperature between 100.degree.C and the boiling point of the amine in the presence of a dry Raney nickel catalyst in the atmosphere of inert gas. d-Isomers are more useful than the l-isomers as intermediates of optically active fatty acid amides having cholesterol lowering effects.