Optical resolution of DL-.alpha.-phenylglycine hydrochloride

Details Optical resolution of DL-.alpha.-phenylglycine hydrochloride Optical resolution of DL-.alpha.-phenylglycine hydrochloride

1977-08-08

1978-08-15

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C10104

Patent

active

041072030

ABSTRACT:
In order to separate optically active D- or L-.alpha.-phenylglycine hydrochloride from a supersaturated solution of DL-.alpha.-phenylglycine hydrochloride seed crystals of the desired D- or L-isomer are added to the solution in the presence of a metal chloride.

REFERENCES:
patent: 3381031 (1968-04-01), Dwyer et al.
patent: 3933902 (1976-01-01), Watanabe et al.
Chibata et al, Chem. Abst., vol. 83, #10843e (1975).
Nakamura et al, Chem. Abst., vol. 76, #14923j (1972).
Kamata et al, Chem Abst. vol. 78, #148236n (1973).

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