Method for obtaining halogenated monoorganoxysilanes useful in particular as synthesis intermediates
申请人:Guennouni Nathalie
公开号:US20050070731A1
公开(公告)日:2005-03-31
The invention concerns the preparation of halogenated monoorganoxysilanes, of formula (I), said compounds being useful as synthesis intermediate in organic chemistry. Said method for preparing monoorganoxysilanes consists in: using as starting product halogenoalkylsilanes of the (CH
3
)
2
SiCl
2
type and in substituting the silicon with a radical bearing a divalent unit bound to an electrophilic reactive group capable of reacting with at least an appropriate nucleophilic agent to form a functionalised monoorganoxysilane of formula (II) with, for example: R<1>=C
1
-C
4
alkyl; R<2>, R<3>=C
1
-C
6
alkyl; B═C
1
-C
10
alkylene; m=1 or 2; Hal=halogen; W=amino, mercapto, (organosilyl)-organopolythio radical.
本发明涉及卤代单有机氧基硅烷的制备,其化合物在有机化学中作为合成中间体有用。制备单有机氧基硅烷的方法包括:使用(CH3)2SiCl2型卤代烷基硅烷作为起始物质,并用带有二价单元的基团替换硅,该基团与亲电反应基团结合,能够与至少一个适当的亲核试剂反应形成公式(II)的功能化单有机氧基硅烷,例如:R <1> = C1-C4烷基; R <2>,R <3> = C1-C6烷基; B = C1-C10亚基; m = 1或2; Hal = 卤素; W = 氨基,巯基,(有机硅基)-有机多硫基团。