Indeno[2,1-a]fluorene: An Air-Stable ortho-Quinodimethane Derivative

被引：207
作者：
Shimizu, Akihiro [1 ]
Tobe, Yoshito [1 ]
机构：
[1] Osaka Univ, Div Frontier Mat Sci, Grad Sch Engn Sci, Toyonaka, Osaka 5608531, Japan
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2011年 / 50卷 / 30期
关键词：
acenes; antiaromaticity; polycycles; quinodimethanes; radicals; HYDROCARBURES INDENOFLUORENIQUES ORTHOQUINOIDES; PROTON-RESONANCE SPECTROSCOPY; UNSATURATED RING-SYSTEMS; PI-ELECTRONIC STRUCTURE; PHOTOCHEMICAL PREPARATION; PI; PI-BIRADICALOID HYDROCARBONS; AROMATIC-HYDROCARBON; BIRADICAL CHARACTER; KEKULE STRUCTURES; BENZENE NUCLEUS;
D O I：
10.1002/anie.201101950
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A new isomer: 11,12-Dimesitylindeno[2,1-a]fluorene was synthesized and isolated in crystal form. The indenofluorene exhibits significant bond-length alternation in the o-quinodimethane structure, limited singlet biradical character, and weakly antiaromatic character. Optical and electrochemical properties suggest that indeno[2,1-a]fluorene derivatives may be candidates for optoelectronic materials. Copyright © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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收藏
页码：6906 / 6910
页数：5
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