Method for racemization of optically active amines

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

1977-12-16

1979-06-12

Hines, Robert V.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260570R, 2605708R, 560 19, 560 38, 560155, 560 40, C07C 8526

Patent

active

041580168

ABSTRACT:
A method for racemization of optically active amines which comprises contacting an optically active amine of the formula: ##STR1## 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 a catalyst comprising an alkali metal and a polycyclic aromatic hydrocarbon until a sufficient amount of the optically active amine is racemized.

REFERENCES:
patent: 1882759 (1932-10-01), Britton et al.
patent: 2809994 (1957-10-01), Hinckley
patent: 3168566 (1965-02-01), Loyer et al.
patent: 3193590 (1965-07-01), Hsieh
Suga et al., "Chemistry and Industry", Jan. 18, 1969, p. 78.

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