Synthesis and intramolecular electronic interactions of hexaarylbenzene bearing redox-active Cp*(dppe)Fe-CC- termini

被引：2
|
作者：
Tanaka, Yuya [1 ]
Akita, Munetaka [1 ]
机构：
[1] Tokyo Inst Technol, Inst Innovat Res, Lab Chem & Life Sci, Midori Ku, 4259 Nagatsuta, Yokohama, Kanagawa 2268503, Japan
来源：
JOURNAL OF ORGANOMETALLIC CHEMISTRY | 2018年 / 878卷
关键词：
Molecular junction; Metal acetylide; Hexaarylbenzene; ORGANOMETALLIC MOLECULAR WIRES; EFFECTIVE CORE POTENTIALS; IRON SIGMA-ACETYLIDES; METAL-COMPLEXES; SINGLE HOLE; UNITS; CARBON; HEXAPHENYLBENZENE; CHARGE; DELOCALIZATION;
D O I：
10.1016/j.jorganchem.2018.10.002
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Hexaphenyl- (1) and hexathienyl-benzene (2) complexes with the six redox-active Cp*(dppe)Fe-C C- units are synthesized and their properties in terms of molecular junction are investigated. Both complexes show stepwise multi-redox processes and IVCT bands in the NIR region upon progressive oxidation from the neutral to hexacationic state, as a result of intramolecular electron transfer processes via troidal conjugation through the peripheral aromatic rings. Judging from the V-ab values obtained by deconvolution analysis, electronic interaction for thienylene derivative 2 turns out to be stronger than that for the phenylene complex 1. DFT analysis of model complexes support superio'r electron transfer properties for the thienyl derivatives. (C) 2018 Published by Elsevier B.V.
引用
收藏
页码：30 / 37
页数：8
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