The Preparation And Separation Performance Of Imino-β-cyclodextrin Derivatives Chiral Stationary Phase | 10174
Journal of Analytical & Bioanalytical Techniques
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Different substituent groups were introduced onto the rim of β-cyclodetrin through rigid C=N or CH
-N=C bonds to form a
series of imino-modified β-cyclodextrin derivatives, and bonded to silica gel to obtain chiral stationary phase(CSPs), which
were applied in high-performance liquid chromatography (HPLC). The separation performance of these CSPs was examined
with a variety of different rac-amino acids, -secondary alcohols, -ferrocene derivatives, and chiral drugs under the polar organic
and the reversed phase modes. Excellent enantioseparations were achieved for most of the analytes. The results demonstrated
that the former CSPs was more effective for rigid analytes and the latter for flexible molecules, and for selectors containing ionic
segements better chiral separation was observed with the highly polar and even ionic analytes. The essential differences between
the driving force factors and function mechanism of chiral recognition were elucidated through investigating and comparing the
differences of separation performance among these analytes.
Zhi-Ming Zhou has completed his Ph.D. from Parma University Italy. 2001-2008, He was the Dean of School of Chemical Engineering and the
Environment of Beijing Institiute of Technology (BIT) China. He is the Director of R & D Center of Pharmaceuticals of BIT. He has published more
than 90 papers in reputed journals and has been serving as an editorial board member or vice-director of several Chinese journals.
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