Enrichment of optical of 2-(4-aryloxyphenoxy)-propionic acids by

Details Enrichment of optical of 2-(4-aryloxyphenoxy)-propionic acids by Enrichment of optical of 2-(4-aryloxyphenoxy)-propionic acids by

1988-07-08

1990-03-20

Rizzo, Nicholas S.

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

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

546301, 546302, 548217, 548221, 558354, 558414, 562401, 562402, 562471, C07D24144, C07D21364, C07D21358

Patent

active

049103091

ABSTRACT:
The optical purity of an optically active 2-(4-aryloxyphenoxy)propionic acid is enriched by formation of the hydrate of the enantiomer in excess and its removal from solution.

REFERENCES:
patent: 3857889 (1974-12-01), Leigh
Collet et al., Chem. Rev. 80, pp. 215-230 (1980).
"Enantiomers, Racemates, and Resolutions," by Jacques et al. (Wiley & Sons, N.Y.), pp. 217-250, (1980).

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