Synthesis, Stabilities, and Redox Behavior of Mono-, Di-, and Tetracations Composed of Di (1-azulenyl) methylium Units Connected to a Benzene Ring by Phenyl-and …

…, K Akimoto, J Kawakami, A Tajiri, T Shoji…

文献索引：Ito, Shunji; Akimoto, Koji; Kawakami, Jun; Tajiri, Akio; Shoji, Taku; Satake, Hiroyuki; Morita, Noboru Journal of Organic Chemistry, 2007 , vol. 72, # 1 p. 162 - 172

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被引用次数: 20

摘要

This paper describes the preparation of two tetracations 4a 4+ and 4b 4+ composed of di (1- azulenyl) methylium units based on a new structural principle of a cyanine-cyanine hybrid for the design of electrochromic materials with two color changes. Di-and monocations 5a 2+, 5b 2+ and 6a+, 6b+ composed of di (1-azulenyl) methylium units were also prepared for the purpose of comparison. The p K R+ values of the tetracations are rather high despite ...