Upper rim diester-bridged calix[4]arenes and oligocalix[4]-arenes: the effects of the length of bridged reagents on their distribution

被引：0
|
作者：
Zeng, CC [1 ]
Yuan, HS [1 ]
Huang, ZT [1 ]
机构：
[1] Chinese Acad Sci, Inst Chem, Ctr Mol Sci, Beijing 100080, Peoples R China
来源：
CHINESE JOURNAL OF CHEMISTRY | 2002年 / 20卷 / 08期
关键词：
calixarene; monobridged calixarene; biscalixarene; host molecules;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A series of monobridged calix[4]arenes 3a-f, cyclic biscalix[4]arenes 4a-f, diametrically bridged at the upper rim with saturated aliphatic diester chains, have been synthesized. The results at Mute conditions show that the percentage of yields of mono-, bis- and oligo-calix [4] arenes are related to the length of the. With the shortening of the chains, the percentage of monocalix [4] arenes decreased. AD the calix [4] arene moieties am in a cone conformation according to the AB quartet pattern of the methylene protons between the phenolic rings in the H-1 NMR spectra.
引用
收藏
页码：795 / 802
页数：8
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