Polyhalo-organometallic and -organometalloidal compounds VII. Preparation and reaction of (pentachlorophenyl) DIPHENYLCHLOROSILANE (cas 1631-83-0) and bis (pentachlorophenyl) phenylchlorosilane
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Add time:07/24/2019 Source:sciencedirect.com
The reaction of pentachlorophenyllithium(I) with dichlorodiphenylsilane at −65° gave (pentachlororphenyl) DIPHENYLCHLOROSILANE (cas 1631-83-0) (II). A similar reaction of (I) with phenyltrichlorosilane in 1:1,2:1 or 3:1 ratio gave bis(pentachlorophenyl)phenylchlorosilane (III), (II) and (III) were hydrolyzed under acidic conditions to the corresponding silanols. (II) was reduced by lithium aluminum hydride to (pentachlorophenyl)diphenylsilane (V). (V) wa synthesized by reaction of (I) with diphenylchlorosilane and was converted back to (II) by treatment with chlorine in carbon tetrachloride. Treatment of (V) with an alkyl or aryllithium reagent at low temperature caused cleavage of the pentachlorophenyl group.
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