Closed and Open Clamlike Structures Formed by Hydrogen-Bonded Pairs of Cyclotricatechylene Anions that Contain Cationic "Meat"

被引:42
作者
Abrahams, Brendan F. [1 ]
FitzGerald, Nicholas J. [1 ]
Hudson, Timothy A. [1 ]
Robson, Richard [1 ]
Waters, Tom [1 ]
机构
[1] Univ Melbourne, Sch Chem, Melbourne, Vic 3010, Australia
基金
澳大利亚研究理事会;
关键词
catechols; cation trapping; hydrogen bonding; inclusion compounds; supramolecular chemistry; CRYSTAL-STRUCTURES; CYCLOTRIVERATRYLENE; MOLECULES;
D O I
10.1002/anie.200805789
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Clamming up: The hexaphenolic compound cyclotricatechylene, which has a bowl-shaped cavity, forms clamlike pairs that encapsulate cations (see picture). Variable hydrogen bonding allows two linked cyclotricatechylene clamshells to be in a closed arrangement when smaller cations such Rb+ or Cs +provide the clam meat, whereas larger cations such as NMe 4+ and NEt4+ cause the clam to be partially opened. © 2009 Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码:3129 / 3132
页数:4
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