Process for the preparation of optically active p-hydroxyphenylg

Details Process for the preparation of optically active p-hydroxyphenylg Process for the preparation of optically active p-hydroxyphenylg

1974-10-22

1977-01-11

Raymond, Richard L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260463, 260477, 260479R, 26050111, 260519, C07C 1900, C07C10346, C07C10384, C07C12506

Patent

active

040026663

ABSTRACT:
Optically active p-hydroxyphenylglycine is prepared by reacting a racemic compound of a specified p-hydroxyphenylglycine derivative with optically active .alpha.-phenylethylamine to form a corresponding salt, obtaining two types of optically active salts therefrom by fractional crystallization, and obtaining optically active p-hydroxyphenylglycine by decomposition and hydrolysis of at least one of the optically active salts.

REFERENCES:
patent: 3651138 (1972-03-01), Yee et al.
patent: 3796748 (1974-03-01), Holdrege
patent: 3803213 (1974-04-01), Weber et al.
patent: 3832388 (1974-08-01), Lorenz
patent: 3869505 (1975-03-01), Palmer
Greenstein, et al., Chemistry of the Amino Acids, vol. 1, (1961), pp. 718-721.

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