Latalyst system containing Ni(O) for hydrocyanation

本发明涉及一种催化剂体系，包括：a)Ni(0)；b)4-10摩尔式P(X#+[1]R#+[1])(X#+[2]R#+[2])(X#+[3]R#+[3])的化合物(I)/每摩尔a)中的Ni(0)，其中X#+[1]，X#+[2]，X#+[3]互相独立地分别是氧或单键，R#+[1]，R#+[2]，R#+[3]互相独立地是相同或不同的有机基团，以及；c)1-4摩尔的下式(II)化合物(II)/每摩尔a)中的Ni(0)，其中X#+[11]，X#+[12]，X#+[13]，X#+[21]，X#+[22]，X#+[23]互相独立地分别是氧或单键，R#+[11]，R#+[12]是相同或不同的单独或桥连的有机基团，R#+[21]，R#+[22]是相同或不同的单独或桥连的有机基团，Y是桥连基。本发明还涉及一种在至少一种该催化剂体系存在下通过氢氰化含1，3-丁二烯的烃混合物制备具有非共轭C＝C和C＝N键的单烯属C#-[5]-一腈的混合物的方法，以及在至少一种该催化剂体系存在下通过氢氰化具有非共轭C＝C和C＝N键的单烯属C#-[5]-一腈的混合物制备二腈的方法。 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(X1R1)(X2R2)(X3R3) (I) where X1, X2, X3 are each, independently of one another, oxygen or a single bond, R1, R2, R3 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 X11, X12, X13 X21, X22, X23 are each, independently of one another, oxygen or a single bond, R11, R12 are identical or different, individual or bridged organic radicals, R21, R22 are identical or different, individual or bridged organic radicals and Y is a bridging group is suitable as catalyst for preparing mixtures of monoolefinic C5 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 C5 mononitriles having nonconjugated C C and C N bonds.