申请人:POPP Alfred
公开号:US20120123143A1
公开(公告)日:2012-05-17
The invention relates to a method for producing alkoxy-substituted 1,2-bissilylethanes of the general formula 1
(R
1
O)
n
R
2
(3-n)
Si—CH
2
—CH
2
—SiR
2
(3-n)
(OR
1
)
n
(1),
which comprises reacting, in a first step, a mixture containing compounds of the general formulae 2 and 3
Cl
n
R
2
(3-n)
Si—CH
2
—CH
2
—SiR
2
(3-n)
Cl
n
(2)
Cl
n
R
2
(3-n)
Si—CH═CH—SiR
2
(3-n)
Cl
n
(3)
with an alcohol of the general formula 4
R
1
OH (4)
and, in a second step, subjecting the resultant mixture which contains compounds of the general formula 1 and compounds of the general formula 5
(R
1
O)
n
R
2
(3-n)
Si—CH═CH—SiR
2
(3-n)
(OR
1
)
n
(5)
to reductive conditions such that the compound of the general formula 5 is converted into a compound of the general formula 1, wherein R
1
and R
2
are monovalent, unsubstituted or halogen-substituted hydrocarbon radicals having 1 to 16 carbon atoms and n is the value 1, 2 or 3.
本发明涉及一种制备一般式1(R1O)nR2(3-n)Si-CH2-CH2-SiR2(3-n)(OR1)n的烷氧基取代的1,2-双硅基乙烷的方法,其中在第一步中,反应一种混合物,该混合物包含一般式2和3的化合物ClnR2(3-n)Si-CH2-CH2-SiR2(3-n)Cln(2)ClnR2(3-n)Si-CH═CH-SiR2(3-n)Cln(3)与一般式4的醇R1OH(4),在第二步中,将含有一般式1和一般式5(R1O)nR2(3-n)Si-CH═CH-SiR2(3-n)(OR1)n的混合物置于还原条件下,使一般式5的化合物转化为一般式1的化合物,其中R1和R2是具有1到16个碳原子的单价未取代或卤素取代的碳氢基基团,n的值为1、2或3。