Dynamic Combinatorial Donor-Acceptor Catenanes in Water: Access to Unconventional and Unexpected Structures

被引：38
作者：
Au-Yeung, Ho Yu [1 ]
Pantos, G. Dan [1 ]
Sanders, Jeremy K. M. [1 ]
机构：
[1] Univ Cambridge, Univ Chem Lab, Cambridge CB2 1EW, England
来源：
JOURNAL OF ORGANIC CHEMISTRY | 2011年 / 76卷 / 05期
基金：
英国工程与自然科学研究理事会;
关键词：
TEMPLATED SYNTHESIS; CATENATION; CHEMISTRY; PD; PSEUDOROTAXANES; AMPLIFICATION; INTERLOCKING; MACROCYCLES; DERIVATIVES; COMPLEXES;
D O I：
10.1021/jo101981p
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
We describe here the assembly of new types of donor-acceptor [2]catenanes from dynamic combinatorial libraries (DCL) in water. These new catenanes contain both the donor and acceptor components in at least one of the interlocked rings, thereby possessing unusual and unexpected DAAD or DADD stacking sequences of the it units in their structures. The efficiency of the catenane assembly process can be enhanced by manipulating the DCL equilibrium in a variety of ways: adding a guest. changing the building block stoichiometries, or increasing the library concentration or the ionic strength of the solvent. The formation of catenanes and their constitutions are found to be dependent on subtle differences in the geometry, dimension, and flexibility of the donor building blocks.
引用
收藏
页码：1257 / 1268
页数：12
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