Enhancement of Diastereomer Selectivity Using Highly-Oriented Polymer Stationary Phase

Enhancement of Diastereomer Selectivity Using Highly-Oriented Polymer Stationary Phase
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使用高度取向聚合物固定相提高非对映异构体选择性

DOI:
10.1246/cl.2000.128
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发表时间:
2000
期刊:
影响因子:
1.6
通讯作者:
S. Sakaki
S. Sakaki
中科院分区:
化学4区
文献类型:
--
作者:
H. Ihara;T. Sagawa;K. Nakashima;K. Mitsuishi;Y. Goto;Jamil Chowdhury;S. Sakaki

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对映体分离通常采用反相液相色谱法,使用非对映体试剂和简单疏水化的二氧化硅实现。本研究表明,非手性聚(十八烷基丙烯酸酯)接枝在二氧化硅上产生的高度取向的有机相,可以提高非对映体的选择性,由于丙烯酸酯部分的羰基-π相互作用是有效的选择性增强的驱动力。
Enantiomer separation has been often realized with reversed phase liquid chromatography using diastereomerizing reagents with simply-hydrophobized silica. The present study demonstrates that diastereomer selectivity can be enhanced through highly-oriented organic phase produced by achiral poly(octadecyl acrylate)-grafted on silica and a carbonyl-π interaction due to the acrylate moiety is effective as the driving force for the selectivity enhancement.