Issue 18, 2004
From the journal:

Chemical Communications

First stable 7,7,8,8-tetraaryl-o-quinodimethane: isolation, X-ray structure, electrochromic response of 9,10-bis(dianisylmethylene)-9,10-dihydrophenanthrene†

Shinichi Iwashita,a   Eisuke Ohta,a   Hiroki Higuchi,a   Hidetoshi Kawai,a   Kenshu Fujiwara,a   Kazunori Ono,b   Masami Takenakab  and  Takanori Suzuki*a  

* Corresponding authors

a Division of Chemistry, Graduate School of Science, Hokkaido University, Sapporo, Japan
E-mail: tak@sci.hokudai.ac.jp
Fax: +81-11-706-2714
Tel: +81-11-706-2714

b Asahi Kasei Electronics Co., Shioya, Japan

Abstract

Oxidative cyclization of 2,2′-bis(dianisylethenyl)biphenyl yielded the dicationic salt of phenanthrene-9,10-diylbis(dianisylmethylium), which in turn afforded the severely congested title molecule as the first stable tetraaryl-o-quinodimethane derivative upon reduction.

Graphical abstract: First stable 7,7,8,8-tetraaryl-o-quinodimethane: isolation, X-ray structure, electrochromic response of 9,10-bis(dianisylmethylene)-9,10-dihydrophenanthrene

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Article information

DOI
https://doi.org/10.1039/B405837B
Article type
Communication
Submitted
19 Apr 2004
Accepted
14 Jul 2004
First published
10 Aug 2004

Chem. Commun., 2004, 2076-2077

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First stable 7,7,8,8-tetraaryl-o-quinodimethane: isolation, X-ray structure, electrochromic response of 9,10-bis(dianisylmethylene)-9,10-dihydrophenanthrene

S. Iwashita, E. Ohta, H. Higuchi, H. Kawai, K. Fujiwara, K. Ono, M. Takenaka and T. Suzuki, Chem. Commun., 2004, 2076 DOI: 10.1039/B405837B

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