Chiral quantification of D-, L-phenylglycine mixture using mass spectrometric kinetic method.
2005
A novel mass spectrometric method is applied to rapid, accurate, quantitative analysis of chiral phenylglycine. Transition-metal–bound complex ions containing the chiral phenylglycine are generated by electrospray ionization mass spectrometry and subjected to collision-induced dissociation. The ratio of the two competitive dissociation rates is related to the enantiomeric composition of the mixture, allowing the determination of enantiomeric contamination in the intermediates. Copyright © 2005 John Wiley & Sons, Ltd.
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