Silane compound for use in the synthesis of semiconducting...

Details Silane compound for use in the synthesis of semiconducting... Silane compound for use in the synthesis of semiconducting...

C - Chemistry, Metallurgy

07

F

402/11, 260/328.

C07F 7/08 (2006.01) C08G 75/00 (2006.01)

Patent

CA 2038047

28247-Canada ABSTRACT OF THE DISCLOSURE The stereochemical structure necessary for preparation of perpendicularly arranged cores is provided by a compound of the formula Image wherein X is a reactive group through which polymeric subunits can be bonded to the compound. In particular, X is advantageously Br. This compound can be synthesized by the reaction of tetrakis(3'-trimethylsilyl-2'-propynyl)silane with zirconocene dichloride and n-butyllithium and adding sulfur monochloricle to the reaction product. This produces an adduct in which X is SiMe3. This adduct may be converted to the bromo compound by reaction with bromine. The tetrakis(3'-trimethylsilyl-2-propynyl)silane may be prepared by forming a magnesium Grignard reagent from 3-bromo-1- trimethylsilylpropyne and reacting the Grignard reagent with silicon tetrachloride. -16-

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