Unusual supramolecular donor-acceptor complexes of bis(crown)stilbenes and bis(crown)azobenzene with viologen analogs

被引:10
|
作者
Gromov, S. P. [1 ]
Vedernikov, A. I. [1 ]
Ushakov, E. N. [1 ]
Alfimov, M. V. [1 ]
机构
[1] Russian Acad Sci, Photochem Ctr, Moscow 119421, Russia
基金
俄罗斯基础研究基金会;
关键词
crown ethers; stilbenes; azobenzenes; viologen analogs; self-assembling; hydrogen bonding; donor-acceptor complexes; charge-transfer complexes;
D O I
10.1007/s11172-008-0118-4
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The results of the comprehensive study of novel supramolecular-acceptor complexes of bis(crown)stilbenes and bis(crown)azobenzene with viologen analogs are generalized. The original methodology for self-assembling of the organic donor-acceptor complexes possessing a very high thermodynamic stability is described. The hydrogen bonds between the peripheral fragments of the donor and acceptor play the key role in the self-assembling. The influence of different structural factors on the thermodynamic stability of the supramolecular donor-acceptor complexes and the efficiency of charge-transfer interactions between the donor and acceptor are discussed. The driving forces of the reaction leading to exotic trimolecular charge-transfer complexes are considered.
引用
收藏
页码:793 / 801
页数:9
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