An N-substituted aza[14]metacyclophane tetracation: a spin-quintet tetraradical with four para-phenylenediamine-based semi-quinone moieties

Akihiro Ito; Syuuzi Inoue; Yasukazu Hirao; Ko Furukawa; Tatsuhisa Kato; Kazuyoshi Tanaka

doi:10.1039/B805333B

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An N-substituted aza[1₄]metacyclophane tetracation: a spin-quintet tetraradical with four para-phenylenediamine-based semi-quinone moieties†

Akihiro Ito,*^a Syuuzi Inoue,^a Yasukazu Hirao,^b Ko Furukawa,^c Tatsuhisa Kato^d and Kazuyoshi Tanaka^ab

Author affiliations

* Corresponding authors

^a Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Japan
E-mail: aito@scl.kyoto-u.ac.jp

^b CREST, Japan Science and Technology Agency (JST), Japan

^c Institute for Molecular Science, Myodaiji, Japan

^d Department of Chemistry, Josai University, 1-1 Keyakidai, Sakado, Japan

Abstract

A fully dianisylaminophenylated aza[1₄]metacyclophane has been synthesized that exhibits four reversible two-electron oxidation processes, and its dicationic and tetracationic species have been found to be in spin-triplet and spin-quintet states.

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Supplementary files

Experimental section, and the electrochemical and spectroscopic data PDF (529K)

Article information

DOI: https://doi.org/10.1039/B805333B
Article type: Communication
Submitted: 31 Mar 2008
Accepted: 23 Apr 2008
First published: 02 Jun 2008

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Chem. Commun., 2008, 3242-3244

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An N-substituted aza[1₄]metacyclophane tetracation: a spin-quintet tetraradical with four para-phenylenediamine-based semi-quinone moieties

A. Ito, S. Inoue, Y. Hirao, K. Furukawa, T. Kato and K. Tanaka, Chem. Commun., 2008, 3242 DOI: 10.1039/B805333B

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