A chiral stationary phase (CSP) derived from N‐(1‐naphthyl) leucine has been prepared. This CSP is conceptually similar to the CSP derived from N‐(2‐naphthyl)alanine and was expected to separate the enantiomers of the same clientele of analytes as does the latter. The magnitudes of the separation factors observed on the two CSPs may differ markedly for a given analyte, the new CSP often affording much greater enantioselectivity.
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Pirkle et al. (1991) studied this question.
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