Organic Radical Crystals Based on TEMPO-Substituted Anthraquinones

Mitsunori      Nobusawa; Hiroki      Akutsu; Jun-ichi      Yamada; Shinichi      Nakatsuji

doi:10.2174/157017806778700060

Abstract

A couple of TEMPO-substituted anthraquinone isomers showed marked difference regarding solvating properties and the resulting magnetic behavior: without obstruction an isomer includes solvent molecules as benzene or acetonitrile to form crystals exhibiting different intermolecular magnetic interactions, while another isomer gives solvent-free crystals showing singlet-triplet behavior.

Keywords: Organic radical, TEMPO radical, anthraquinone, magnetic property, crystal structure

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Letters in Organic Chemistry

Title: Organic Radical Crystals Based on TEMPO-Substituted Anthraquinones

Volume: 3 Issue: 9

Author(s): Mitsunori Nobusawa, Hiroki Akutsu, Jun-ichi Yamada and Shinichi Nakatsuji

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Keywords: Organic radical, TEMPO radical, anthraquinone, magnetic property, crystal structure

Abstract: A couple of TEMPO-substituted anthraquinone isomers showed marked difference regarding solvating properties and the resulting magnetic behavior: without obstruction an isomer includes solvent molecules as benzene or acetonitrile to form crystals exhibiting different intermolecular magnetic interactions, while another isomer gives solvent-free crystals showing singlet-triplet behavior.

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Nobusawa Mitsunori, Akutsu Hiroki, Yamada Jun-ichi and Nakatsuji Shinichi, Organic Radical Crystals Based on TEMPO-Substituted Anthraquinones, Letters in Organic Chemistry 2006; 3 (9) . https://dx.doi.org/10.2174/157017806778700060