DIRECT CHROMATOGRAPHIC RESOLUTION OF P-CHIRAL PHOSPHINOYLETHENES ON ACHIRAL STATIONARY-PHASE CONTAINING -(3,5-DINITROBENZOYL)-TRANS-1,2-DIAMINOCYCLOHEXANE AS SELECTOR
A. Brandi et al., DIRECT CHROMATOGRAPHIC RESOLUTION OF P-CHIRAL PHOSPHINOYLETHENES ON ACHIRAL STATIONARY-PHASE CONTAINING -(3,5-DINITROBENZOYL)-TRANS-1,2-DIAMINOCYCLOHEXANE AS SELECTOR, Tetrahedron : asymmetry, 6(8), 1995, pp. 2017-2022
A pi-acidic, totally synthetic HPLC chiral stationary phase is used to
separate the enantiomers of a wide range of unsaturated P-chiral phos
phine oxides. If allows for fast, sensitive and accurate e.e. determin
ations and secures easy access to opfically pure enantiomers by chroma
tography on preparative columns.