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Enantioseparation of novel chiral tetrahedral clusters on an amylose tris-(3,5-dimethylphenylcarbamate) chiral stationary phase by normal phase HPLC

✍ Scribed by Wen-Zhi Li; Xia Wang; Wei-Qiang Zhang; Chen Li-Ren; Yong-Min Li; Chun-Lin Ma; Yuan-Qi Yin

Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
385 KB
Volume
22
Category
Article
ISSN
0256-7660

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✦ Synopsis

Abstract

Amylose tris(3,5‐dimethylphenylcamate) (ADMPC) coated on a kind of small particle silica gel was prepared. On this ADMPC chiral stationary phase (CSP), the direct enantiomeric separation of six novel chiral transition metal tetrahedral clusters has firstly been achieved using n‐hexane as the mobile phase containing various alcohols as modifiers. The effect of mobile phase modifiers and the structural variation of the solutes on their retention factors (k) and resolutions (Rs) were investigated. The result suggests that not only the structure and concentration of alcohol in mobile phase, but also the structural differences in racemates can have a pronounced effect on enantiomeric separation. ADMPC‐CSP is a suitable CSP for the optical resolution of chiral tetrahedral cluster by HPLC.

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