申请人:Dow Corning Asia, Ltd.
公开号:US06326506B1
公开(公告)日:2001-12-04
A method of preparing an organosilicon compound comprising effecting a hydrosilylation reaction between (a) unsaturated compounds with terminal unsaturated groups and (b) silane compounds described by formula HSiR0mW3−m, where W is selected from the group consisting of C1 to C6 alkoxy groups, C6 to C10 aryloxy groups, and halogen atoms, R0 is an organic group, and m is 0, 1, or 2 in the presence of (c) a platinum catalyst and (d) an auxiliary catalyst selected from the group consisting of (1) silyl esters of acids derived from oxo acids of sulfur; (2) amide compounds having N—Si bonds; (3) urea compounds; (4) silyl esters of carbamic acid; (5) phosphoric acid compounds; and (6) cyclic compounds selected from the group consisting of (i) hydroxypyridine compounds, (ii) 8-hydroxyquinoline compounds, (iii) oxazolidinone compounds, and (iv) N-hydroxysuccinimide compounds.
制备有机硅化合物的方法包括在(a)具有末端不饱和基团的不饱和化合物和(b)由公式HSiR0mW3−m描述的硅烷化合物之间进行氢硅烷基化反应,其中W选自由C1到C6烷氧基团、C6到C10芳氧基团和卤素原子组成的群,R0是有机基团,m为0、1或2,在(c)存在下进行,铂催化剂和(d)从以下群中选择的辅助催化剂:(1)由硫氧酸的氧酸衍生的酸的硅酰酯;(2)具有N—Si键的酰胺化合物;(3)脲化合物;(4)碳酸氨酯的硅酯;(5)磷酸化合物;和(6)从以下群中选择的环化合物:(i)羟基吡啶化合物,(ii)8-羟基喹啉化合物,(iii)噁唑烷酮化合物和(iv)N-羟基琥珀酰亚胺化合物。