Organic compounds -- part of the class 532-570 series – Organic compounds – Nitrogen attached directly or indirectly to the purine ring...
Patent
1987-08-05
1988-11-22
Lone, Werren B.
Organic compounds -- part of the class 532-570 series
Organic compounds
Nitrogen attached directly or indirectly to the purine ring...
546295, 71 92, 71 94, 71109, 71116, 560 21, 560 45, 560 59, 560 61, 560 56, 560 62, 560100, 560102, 560105, 562401, 562402, 562469, 562472, C07D24136, C07D21172, C07B 5700
Patent
active
047867310
ABSTRACT:
A method for the chromatographic resolution and analysis of the enantiomers of 2-(phenyl or phenoxy)propionic acids or the C.sub.1 -C.sub.4 alkyl esters thereof which comprises converting a racemic or partially resolved mixture of said 2-(phenyl or phenoxy)propionic acids or the C.sub.1 -C.sub.4 alkyl esters thereof to a pair of diastereomeric 2-amino-1-alkanol derivatives by reaction with an optically active 2-amino-1-alkanol, and analyzing the diastereomeric mixture by gas chromatography.
REFERENCES:
patent: 3954442 (1976-05-01), Becker et al.
patent: 4332960 (1982-06-01), Trosken et al.
patent: 4531969 (1985-07-01), Nestler et al.
patent: 4550192 (1985-10-01), Rogers et al.
Souter, Chromatographic Separations of Stereoiomers, CRC Press, Boca Raton, Fla., pp. 68-69, (1985).
Brookens Ronald G.
Clarke Vera C.
Lone Werren B.
Mixan Craig E.
The Dow Chemical Company
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