The self-assembly of a predesigned tetrahedral M4L6 supramolecular cluster

被引：0
|
作者：
Caulder, DL [1 ]
Powers, RE [1 ]
Parac, TN [1 ]
Raymond, KN [1 ]
机构：
[1] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 1998年 / 37卷 / 13-14期
关键词：
cage compounds; clusters; host-guest chemistry; O-ligands; self-organization;
D O I：
10.1002/(SICI)1521-3773(19980803)37:13/14<1840::AID-ANIE1840>3.0.CO;2-D
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A remarkable selectivity on the basis of size is observed for the encapsulation of Et4N+ in the presence of Me4N+ and Pr4N+ by a predesigned [Ga4L6]12- homochiral tetrahedral cluster (L = bis-bidentate ligand). Immediate and quantitative stepwise replacement of R4N+ counterions in the cluster cavity is observed by 1H NMR spectroscopy (see below). The encapsulation of Et4N+ is also observed in the solid state.
引用
收藏
页码：1840 / 1843
页数：4
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