A redox-active tetrathiafulvalene [2]pseudorotaxane: Spectroelectrochemical and cyclic voltammetric studies of the highly-reversible complexation/decomplexation process

被引:104
作者
Devonport, W [1 ]
Blower, MA [1 ]
Bryce, MR [1 ]
Goldenberg, LM [1 ]
机构
[1] UNIV DURHAM,DEPT CHEM,DURHAM DH1 3LE,ENGLAND
关键词
D O I
10.1021/jo960951o
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The complexation of TTF 2 and cyclobis(paraquat-p-phenylene) 1(4+) has been studied by cyclic voltammetry and by spectroelectrochemistry: shifts in the redox potentials for the TTF and the 1(4+) components of 45 and 30 mV, respectively, occur upon complexation. Decomplexation of 2.1(4+). upon oxidation of the TTF unit to the cation radical species has been monitored by spectroelectrochemistry. The complexation/decomplexation process is highly reversible over at least 10 electrochemical cycles, and this process is accompanied by a color change of the solution from dark green (complexed) to pale brown (uncomplexed) which is clearly visible to the naked eye.
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收藏
页码:885 / 887
页数:3
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