Layered compounds. LXIV. Syntheses and charge transfer spectra of multilayered paracyclophanequinones.
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概要
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Three isomeric triple-layered and two isomeric quadruple-layered charge transfer cyclophanes containing benzoquinone and dimethoxybenzene moieties have been synthesized together with two triple-layered and two quadruple-layered paracyclophanequinones. The structures of the isomers were determined by <SUP>1</SUP>H- and <SUP>13</SUP>C-NMR spectra and/or alternative syntheses. By comparing the CT bands of a series of dimethoxycyclophanequinones with those of the corresponding cyclophanequinones, it is concluded that the CT stabilization of multilayered dimethoxyquinones should be attributed mainly to the π-basicity of the durene ring which faces the acceptor quinone ring and partly to the decreasing π-basicity of dimethoxybenzene ring as the layer number increases. No orientational dependence of quinone and dimethoxybenzene moieties on GT transition was observed in the multilayered series.
- 公益社団法人 日本化学会の論文
著者
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Sakata Yoshiteru
The Institute Of Science And Industrial Research Osaka University
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Misumi Soichi
The Institute Of Scientific And Industrial Research Osaka University
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Otsubo Tetsuo
The Institute of Scientific and Industrial Research, Osaka University
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Machida Hideki
The Institute of Scientific and Industrial Research, Osaka University
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Tatemitsu Hitoshi
The Institute of Scientific and Industrial Research, Osaka University
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