Resolution of aminonitriles

Details Resolution of aminonitriles Resolution of aminonitriles

1976-12-02

1978-02-07

Torrence, Dolph H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

26032614R, 26032615, 260329AM, 2603322A, 2603403, 2603405R, 2603473, 2603477, 260464, 2604655R, 260519, 260557R, 260558A, 260561A, C07C12178, C07C12180

Patent

active

040726983

ABSTRACT:
The present invention is a chemical method for obtaining an optically pure 2-aminonitrile or a 2-aminoamide from (1) an optically impure mixture, (2) a racemic mixture, or (3) the optically pure enantiomer of the opposite configuration, in an amount greater than actually present, by use of optically active acids with a ketone or an aldehyde catalyst. Yields of greater than 70 percent of one enantiomer are obtained from racemic mixtures in very short time periods.

REFERENCES:
patent: 3366679 (1968-01-01), Reinhold et al.
patent: 3480670 (1969-11-01), Reinhold et al.
patent: 3808254 (1974-04-01), Matthews
patent: 3890379 (1975-06-01), Schawartz
patent: 3976680 (1976-08-01), Clark et al.

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