Synthesis, separation and characterization of thiacalix[4]arenes diastereormers

被引：2
|
作者：
Omran, Omran Abdellah [1 ]
Larsen, Kim [2 ]
Wimmer, Reinhard [2 ]
Xu, Donghong [2 ]
机构：
[1] Sohag Univ, Fac Sci, Dept Chem, Sohag 82524, Egypt
[2] Univ Aalborg, Dept Biotechnol Chem & Environm Engn, Aalborg, Denmark
来源：
PHOSPHORUS SULFUR AND SILICON AND THE RELATED ELEMENTS | 2008年 / 183卷 / 01期
关键词：
bromination; diastereomers; separation; thiacalixarene;
D O I：
10.1080/10426500701564183
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Two different 1, 3-Distal thiacalix[4]arenas were prepared by the reaction of thiacalix[4]arene with phenacyl and for p-vitro phenacyl bromide in acetone or acetonitrile in the presence of dry CsOH. The prepared 1, 3-distal disubstituted thiacalixarenes afforded two pairs of diastereomers upon brominating in chloroform. The obtained diastereomers were separated by fractional crystallization in a mixture dichloromethane-acetone.
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收藏
页码：150 / 155
页数：6
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