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Abstract
Silica bonded γ-cyclodextrin was derivatized to contain approximately 9 (S)-naphthylethyl carbamate substituents per γ-cyclodextrin. The derivatized γ-cyclodextrin-based stationary phase was used to resolve a number of enantiomeric pairs using high performance liquid chromatography under normal phase conditions. Several 3, 5-dinitrobenzoyl derivatized amino acids were successfully separated. In general, selectivities (α) achieved were greater than 1. 1. The chiral recognition mechanism appears to be similar to an analogous derivatized ß-cyclodextrin based stationary phase. Possible explanations for the differences between the two are discussed.