| 摘要 |
This invention relates to bis(dichloroorganosilyl)alkenes represented by the formula III and a process for the preparation of the compounds of formula III which comprises hydrosilylating bis(dichlorosilyl)methanes of formula I with organoolefins or organosilylolefins of formula II in the presence of chloroplatinic acid catalyst; <IMAGE> formula III <IMAGE> formula I H2CCHP formula II wherein R1 and R2 are same or different and can be -(CH2)2R3 (wherein R3 represents Ph, -CH2Cl, -(CH2)yCH3 (y=0-15), -CF3, -CH2CF3, -SiMemCl3-m (m=0-3), -CN, -CH2CN, -(p-Ph)CH2Cl or 3-cyclohexenyl group) or (X-Ph)CH(CH3)CH2- (wherein X represents hydrogen, C1-C4 alkyl, phenyl, fluoro, chloro or bromo group); or R1 is -CH3 or -(CH2)2R3 (wherein R3 is same as defined above) and R2 is (X-Ph)CH(CH3)CH2- (wherein X is same as defined above); A is -(CH2)n- (n=1, 2, 3, 6, 8), or -(CH2)2Ph(CH2)2-; Q represents -SiHCl2 or <IMAGE> X represents hydrogen, C1-C4 alkyl, phenyl, fluoro, chloro or bromo group; P can be R3, -CH2- SiCl2-(CH2)2-R3, -B-SiCl2CH3, or D-CH=CH2, wherein R3 is Ph, -CH2Cl, -(CH2)yCH3 (y=0-15), -CF3, -CH2CF3, -SiMemCl3-m (m=0-3), -CN, -CH2CN, -(p-Ph)-CH2Cl or 3-cyclohexenyl group (B can be -(CH2)n-(wherin n=4 or 6) or -Ph(CH2)2- and D can be -(CH2)2- or -Ph-).
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