Thermochromism at room temperature in overcrowded bistricyclic aromatic enes: closely populated twisted and folded conformations

…, S Pogodin, S Cohen, I Agranat

文献索引：Levy, Amalia; Pogodin, Sergey; Cohen, Shmuel; Agranat, Israel European Journal of Organic Chemistry, 2007 , # 31 p. 5198 - 5211

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被引用次数: 14

摘要

Abstract The overcrowded thermochromic bistricyclic aromatic enes (BAEs) 10-(9′ H- fluoren-9′-ylidene)-9 (10H)-anthracenone (6), 10-(11′ H-benzo [b] fluoren-11′-ylidene)- 9 (10H)-anthracenone (7), and 10-(1′, 8′-diaza-9′ H-fluoren-9′-ylidene)-9 (10H)- anthracenone (8) were synthesized by applying Barton's twofold extrusion diazo-thione coupling method and their crystal and molecular structures were determined. BAEs 6–8 ...