Process for separating a mixture of an optically active phenylgl

Details Process for separating a mixture of an optically active phenylgl Process for separating a mixture of an optically active phenylgl

1977-10-19

1979-10-30

Waltz, Thomas

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260559A, 562437, 562444, 562449, 562443, C07C10328

Patent

active

041728467

ABSTRACT:
A process is disclosed for the separation of a mixture of an optically active .alpha.-phenylglycine amide and the corresponding optically active .alpha.-phenylglycine acid, through the formation of a novel Schiff base of at least the amide, and achieving the separation with the resulting solubility differences while substantially completely avoiding racemization.

REFERENCES:
patent: 3971700 (1976-07-01), Boesten
patent: 3976680 (1976-08-01), Clark et al.
patent: 4036852 (1977-07-01), Boesten
patent: 4072698 (1978-02-01), Hylton et al.
patent: 4093653 (1978-06-01), Boesten
patent: 4094904 (1978-06-01), Boesten

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