| 摘要 |
<p>This invention relates to (organothiomethyl)chlorosilanes and methods for their preparation by the dehydrohalogenative Si-C coupling reaction of oranothiomethyl halides with Si-H containing chlorosilanes (hydrosilanes), wherein a mixture of oranothiomethyl halide and hydrosilane is heated in the presence of an organic base, such as a tertiary amine, or organic salts (quaternary organoammonium and organophosphonium halides), to give (organothiomethyl)chlorosilanes, comprising a sulfur atom in an alkyl chain (formula:: R 2 SCH 2 SiCl 2 R 1 ) in good yield, wherein R 1 represents a hydrogen atom, halogen, or C 1 -C 6 alkyl; and R 2 is selected from the group consisting of C 1 -C 6 alkyl or an aryl group. Especially, this reaction using an organic salt as a catalyst and provides better economical matter and yield compared with conventional methods, because only a catalytic amount of an organic salt or base is required and the catalyst can be separated from the reaction mixture and recycled easily.</p> |
