Method of racemization of optically active amines

Details Method of racemization of optically active amines Method of racemization of optically active amines

1972-02-28

1976-05-04

Hines, Robert V.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252472, 252477Q, 260404, 260566R, 260999, C07C 8728

Patent

active

039548708

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.

REFERENCES:
patent: 2797243 (1957-06-01), Hartgerink

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