Process for the resolution of racemic diphosphine oxides

Details Process for the resolution of racemic diphosphine oxides Process for the resolution of racemic diphosphine oxides

1992-04-09

1994-08-02

Cintins, Marianne M.

Organic compounds -- part of the class 532-570 series

Organic compounds

Phosphorus containing

568 15, 549 6, 549216, 548412, 560 86, 560108, 560139, 560141, C07F 953, C07F 9572, C07F 9655, C07F 96553

Patent

active

053347668

ABSTRACT:
A process for the resolution of racemic diphosphine oxides into the optically active antipodes by reacting the racemate with a resolving agent comprising using a carbamate or thiocarbamate of an optically active .alpha.-hydroxycarboxylic acid or .alpha.-aminocarboxylic acid as the resolving agent.

REFERENCES:
patent: 4306082 (1981-12-01), Brunner et al.
patent: 4556740 (1985-12-01), Hansen et al.
Org. Synth., vol. 67, 20-30 (1989).
J. Chromatography, 450, (1988), 163-168, Salvadori et al.

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