Abstract
A new series of 2,5-bis(arylethenyl)siloles 1a-d was prepared by the reaction of the corresponding zirconacyclopentadienes with H2SiCl2 in CH2Cl2. Absorption maxima of siloles 1a-d were observed in the significantly longer wavelength region compared to those of distyryl-substituted benzenes and heteroles. The emission spectrum of distyrylsilole 1a showed a large Stokes shift compared with distyrylsilole 2.
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Kanno, K., Kira, M. Synthesis and Electronic Spectra of 2,5-Bis-(2-arylethenyl)siloles. Chemistry of Heterocyclic Compounds 37, 1388–1393 (2001). https://doi.org/10.1023/A:1017951201553
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DOI: https://doi.org/10.1023/A:1017951201553