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J Chromatogr. 1978 Sep 1;146(2):197-206.

Gas chromatographic--mass spectrometric analysis of optically active metabolites and drugs on a novel chiral stationary phase.


Chirasil-Val, a novel chiral polysiloxane-type stationary phase is capable of separating the enantiomers of optically active drugs and metabolites of several compound classes; alpha-amino acides, alpha-amino alcohols, glycols, aromatic and aliphatic alpha-hydroxy carboxylic acids and amines. Due to their high thermal stability, columns coated with Chirasil-Val may be coupled to a mass spectrometer. Potential applications of the new stationary phase include analysis of the optical purity of enantiomeric drugs, determination of the configuration of metabolites, and quantitation of optically active drugs and metabolites using the unnatural enantiometer as internal standard. Direct separation of enantimoers on Chirasil-Val is especially useful if only minute amounts of the optically active compounds are availalbe for analysis.

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