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Issue 22, 1998
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Silole-containing σ- and π-conjugated compounds

Abstract

Synthesis, properties, and application of new σ- and π-electron systems consisting of the silole rings are described. A series of 2,5- and 1,1-difunctionalized siloles have been prepared based on the intramolecular reductive cyclization of diethynylsilanes. Starting from these functionalized siloles, oligo(2,5-silole)s and oligo(1,1-silole)s have been synthesized as model compounds for poly(2,5-silole)s and poly(1,1-silole)s, respectively, which are still veiled target molecules in this field. Some silole-containing π-conjugated cooligomers and copolymers with thiophene, pyrrole, and acetylene π-electron systems have also been prepared. They all have unique photophysical properties such as long-wavelength absorption in the UV/VIS absorption spectra. Some silole-based π-conjugated compounds have also been found to work as new useful materials for organic electroluminescent devices.

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Article type: Paper
DOI: 10.1039/A804491K
J. Chem. Soc., Dalton Trans., 1998, 3693-3702

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    Silole-containing σ- and π-conjugated compounds

    S. Yamaguchi and K. Tamao, J. Chem. Soc., Dalton Trans., 1998, 3693
    DOI: 10.1039/A804491K

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