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Stable Trichlorosilane–Pyridine Adducts

✍ Scribed by Gerrit W. Fester; Jörg Wagler; Erica Brendler; Edwin Kroke

Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
247 KB
Volume
2008
Category
Article
ISSN
1434-1948

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✦ Synopsis

Abstract

The prepapration, and first comprehensive spectroscopic and structural characterization of octahedral trichlorosilane adducts HSiCl~3~(Rpy)~2~ with R = H, 4‐CH~3~, 4‐C~6~H~5~, 3‐Br, 4‐CHCH~2~, 4‐C~2~H~5~, 4‐C(CH~3~)~3~ and 4‐N(CH~3~)~2~ is reported. The products are surprisingly stable in the solid state and easily obtained in high yield. Single‐crystal X‐ray diffraction analysis of HSiCl~3~(3‐Brpy)~2~ revealed relatively short Si–Cl bonds (218–223 pm) while the Si–N bonds (ca. 198 pm) are only slightly longer than in the corresponding H~2~SiCl~2~(Rpy)~2~adducts. Dismutation reactions were observed only in polar solvents at elevated temperatures.(© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2008)

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