A silane containing a bulky hydrocarbon group or groups R therein and having the formula (III)
R
3-(x+y)
(R
1
)
x
(R
2
)
y
Si(OR
3
)
can be produced by reacting a silane of the formula (I)
(R
1
)
x
(R
2
)
y
SiCl
3-(x+y)
(OR
3
)
with a Grignard reagent of the formula (II)
RMgX
Further, a tri-organo-chlorosilane of the formula (XIIa)
(R
1
)(R
2
)(R
3
)SiCl
can be produced by reacting a tri-organo-silane of the formula (XIa)
(R
1
)(R
2
)(R
3
)SiZ
1
with hydrochloric acid. Furthermore, a tri-organo-monoalkoxysilane of the formula (XXIII)
R
3-(x+y)
(R
1
)
x
(R
2
)
y
Si(OR
3
)
can be produced when a silane of the formula (XXI)
(R
1
)
x
(R
2
)
y
SiCl
4-(x+y)
is reacted with a Grignard reagent of the formula (XXII)
RMgX
with addition of and reaction with an alcohol or an epoxy compound during the reaction.
含有庞大烃基或基团R的
硅烷,其具有式(III)R3-(x+y)(R1)x(R2)ySi(OR3),可通过反应式(I)(R1)x(R2)ySiCl3-(x+y)(OR3)的
硅烷与式(II)RMgX的
格氏试剂制得。此外,式(XIIa)(R1)(R2)(R3)SiCl的三有机
氯硅烷可通过反应式(XIa)(R1)(R2)(R3)SiZ1的三有机
硅烷与
盐酸制得。再者,当式(XXI)(R1)x(R2)ySiCl4-(x+y)的
硅烷与式(XXII)RMgX的
格氏试剂反应,并在反应过程中加入并反应
酒精或环氧化合物时,可制得式(XXIII)R3-(x+y)(R1)x(R2)ySi(OR3)的三有机单烷氧基
硅烷。