Racemization of optically active amines

Details Racemization of optically active amines Racemization of optically active amines

1974-09-06

1976-07-20

Raymond, Richard L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260471A, 260482R, 2605705R, C07C 2000

Patent

active

039707008

ABSTRACT:
A method for racemization of optically active amines which comprises contacting an optically active amine of the formula: ##EQU1## wherein C* is an asymmetric carbon atom, R.sub.1 is alkyl, aralkyl or aryl and R.sub.2 is aryl or alkoxycarbonyl, the aryl or aralkyl moiety bearing optionally one or more alkyl or alkoxy groups on the aromatic ring, provided that R.sub.1 and R.sub.2 are always different from each other, with an alkali metal catalyst selected from the group consisting of (1) an alkali metal deposited on a solid carrier, (2) an alkali metal dispersed in a liquid medium and (3) an alkali metal alloy at a temperature of from -10.degree. to 50.degree.C until a sufficient amount of the optically active amine is recemized.

REFERENCES:
patent: 3168566 (1965-02-01), Loter et al.

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