Process for the preparation of optically active phenyl glycine a

Details Process for the preparation of optically active phenyl glycine a Process for the preparation of optically active phenyl glycine a

1976-12-08

1978-06-06

Wyman, Daniel E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260559A, C07C10328

Patent

active

040936538

ABSTRACT:
The invention is directed to a process for the separation of L-phenyl glycine amide from D-phenyl glycine amide by resolving a mixture containing the two optically active antipodes with an optically active acid, and racemizing the undesired antipode in the presence of a ketone and the optically active acid.

REFERENCES:
patent: 2790001 (1957-04-01), Purvis
patent: 3705900 (1972-12-01), Ryan
patent: 4036852 (1977-07-01), Boesten
Suzuki et al., CA, 80:133826x (1974).
Watanabe et al., CA, 80:27470s (1974).
Sato et al., CA, 73:120879x (1970).
Gunter et al., CA, 55:14317a (1961).
Chibata et al., CA, 83:10843e (1975).
Sakieki et al., CA, 55:3449b (1961).
Hori et al., CA, 52:2056c (1958).
Betti et al., Ber., 41, pp. 2071-2073 (1908).

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