Amine guest size and hydrogen-bonding influence the structures of p-tert-butylcalix[4]arene inclusions

被引：34

作者：

Brouwer, EB ^{[1
]}

Udachin, KA ^{[1
]}

Enright, GD ^{[1
]}

Ripmeester, JA ^{[1
]}

机构：

[1] Natl Res Council Canada, Steacie Inst Mol Sci, Ottawa, ON K1A 0R6, Canada

来源：

CHEMICAL COMMUNICATIONS | 2000年 / 19期

关键词：

D O I：

10.1039/b001274m

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A novel structure involving a 2(p-tert-butylcalix[4]arene). 3.5(1,4-butanediamine) inclusion compound shows amine sites both exo and endo to the cavity, with the amine hydrogen-bonding to itself as well as to the host hydroxyl groups; for bulky amines with large pK(a) values, steric factors are more important than basicity, and the formation of a 1:1, high-symmetry host-guest structure is preferred over a low-symmetry hydrogen-bonded structure.

引用

页码：1905 / 1906

页数：2

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