新規な Push-Pull 系の創出。ルテノセンとベンゾジチオリウムを含む共役系の合成とその性質<ミニノート>　

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2-Ruthenocenyl-1,3-benzodithiol, 2-ruthenocenyl-5-methyl-1,3-benzodithiol, 2-pentamethylruthenocenyl-1,3-benzodithiol, 2-pentamethylruthenocenyl-5-methyl-1,3-benzodithiol, 2-(2'-ruthenocenylethenyl)-1,3-benzodithiol, and 2-(2'-pentamethylruthenocenylethenyl)-1,3-benzodithiol were prepared. These reacted with (C6H5)3CBF4 to give the stable corresponding 1,3-benzodithiolium cations except for the last complex. The cations exibited the CT bands in a long wavelength region which showed solvatochromism.
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