One-electron reduction of an "extended viologen" p-phenylene-bis-4,4′-(1-aryl-2,6-diphenylpyridinium) dication

被引:41
作者
Funston, A
Kirby, JP
Miller, JR
Pospísil, L
Fiedler, J
Hromadová, M
Gál, M
Pecka, J
Valásek, M
Zawada, Z
Rempala, P
Michl, J
机构
[1] Univ Colorado, Dept Chem & Biochem, Boulder, CO 80309 USA
[2] Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA
[3] Acad Sci Czech Republ, J Heyrovsky Inst Phys Chem, CR-18223 Prague, Czech Republic
[4] Charles Univ, Dept Organ Chem, Prague, Czech Republic
关键词
D O I
10.1021/jp053556n
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
One-electron reduction of the "extended viologen" dication I yields the red cation radical 2, characterized by strong near-IR absorption. It has been generated and studied by pulse radiolytic, electrochemical, redox titration, UV-visible, and electron paramagnetic resonance spectroscopic methods. All results are in agreement with a fully delocalized electronic structure for 2.
引用
收藏
页码:10862 / 10869
页数:8
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