申请人:BARTSCH Michael
公开号:US20080071105A1
公开(公告)日:2008-03-20
A system comprising a) Ni(0) b) from 4 to 10 mol per mol of Ni(0) in a) of a compound (I) of the formula
P(X
1
R
1
)(X
2
R
2
)(X
3
R
3
) (I)
where
X
1
, X
2
, X
3
are each, independently of one another, oxygen or a single bond,
R
1
, R
2
, R
3
are, independently of one another, identical or different organic radicals and
c) from 1 to 4 mol per mol of Ni(0) in a) of a compound (II) of the formula
where
X
11
, X
12
, X
13
X
21
, X
22
, X
23
are each, independently of one another, oxygen or a single bond,
R
11
, R
12
are identical or different, individual or bridged organic radicals,
R
21
, R
22
are identical or different, individual or bridged organic radicals and Y is a bridging group
is suitable as catalyst for preparing mixtures of monoolefinic C
5
mononitriles having nonconjugated C═C and C═N bonds by hydrocyanation of a 1,3-butadiene-containing hydrocarbon mixture and for preparing a dinitrile by hydrocyanation of a mixture of monoolefinic C
5
mononitriles having nonconjugated C═C and C═N bonds.