Structure and selectivity of a small dimeric encapsulating assembly

被引：12

作者：

Valdes, C ^{[1
]}

Toledo, LM ^{[1
]}

Spitz, U ^{[1
]}

Rebek, J ^{[1
]}

机构：

[1] MIT,DEPT CHEM,CAMBRIDGE,MA 02139

来源：

CHEMISTRY-A EUROPEAN JOURNAL | 1996年 / 2卷 / 08期

关键词：

dimerization; host-guest chemistry; hydrogen bonds; self-assembly; structure elucidation;

D O I：

10.1002/chem.19960020814

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The binding selectivity of a dimeric molecular capsule in solution and its X-ray crystal structure in the solid state are reported. The capsule is a self-complementary bisglycoluril molecule, formed through a series of intermolecular hydrogen bonds, The dimeric host is capable of discriminating in CDCl3 solution between methane and ethane as guests, and direct evidence for the selectivity is presented from H-1 NMR studies, The thermodynamic parameters for the encapsulation of methane, obtained from a VT H-1 NMR (500 mHz) study, are presented.

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收藏

页码：989 / 991

页数：3

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