[CH2:1]=[CH:2][C:3]1[CH:8]=[CH:7][CH:6]=[CH:5][CH:4]=1.[CH3:9][SiH:10]([Cl:12])[Cl:11].C1(NS(=O)(=O)[O-])CCCCC1.[Na+]>[Pt].C1(C)C=CC=CC=1>[CH2:1]([CH2:9][SiH:10]([Cl:12])[Cl:11])[CH2:2][C:3]1[CH:8]=[CH:7][CH:6]=[CH:5][CH:4]=1Reaction between styrene and methyldichlorosilane with platinum catalyst in the presence of sodium cyclohexylsulfamate. 427 mg Styrene and 498 mg methyldichlorosilane were introduced into a glass tube, and 38 mg of sodium cyclohexylsulfamate were added. 1 mg Of a toluene solution of a 0-valent platinum complex of divinylsiloxane (0.4 wt % platinum content) was added. The tube was sealed and placed in a 50° C. oil bath where it was heated for 72 hours. After cooling, the tube contents were analyzed by gas chromatography revealing a styrene conversion of 85% and a phenethylmethyldichlorosilane yield of 70%. The ratio between the phenethylmethyldichlorosilane and the (α-methylbenzyl)methyldichlorosilane was 8.7:1.
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