Novel dendritic cores based on thiacalix[4]arene derivatives

被引：25

作者：

Appelhans, D

Stastny, V

Komber, H

Voigt, D

Voit, B

Lhoták, P

Stibor, I

机构：

[1] Inst Polymer Res Dresden, Dresden, Germany

[2] Inst Chem Technol, Dept Organ Chem, Prague 16628 6, Czech Republic

来源：

TETRAHEDRON LETTERS | 2004年 / 45卷 / 38期

关键词：

thiacalixarenes; benzylic spacer; dendritic core; amino surface group;

D O I：

10.1016/j.tetlet.2004.07.085

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Thiacalix[4]arenes possessing carboxylic groups were used for the design of potential dendritic cores with amino surface groups. The known tetraacetic acid in the 1,3-alternate conformation gave the desired product in very low yield because of steric hindrance on thiacalix[4]arene moiety. Therefore, synthetic strategy based on withdrawing of the carboxyl groups via benzylic spacer from the thiacalix[4]arene moiety was successfully applied for the realization of novel thiacalix[4]arenes bearing two or four protected lysine units. (C) 2004 Elsevier Ltd. All rights reserved.

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收藏

页码：7145 / 7149

页数：5

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