range expected for a weak metallophilic interaction. A similar arrangement of bridging groups is found in [Cl((n)Bu(3)P)Pd(mu-C(6)H(4)PPh(2))(2)HgCl] (16), which is formed by heating 1 with [PdCl(2)(P(n)()Bu(3))(2)]. Reaction of 1 with [Pd(dba)(2)] [dba = dibenzylideneacetone] at room temperature gives [Pd(1)(2)] (19) which, in air, forms a trigonal planar palladium(0) complex 20 containing bidentate 1
用2-LiC(6)H(4)PPh(2)处理HgCl(2)得到[Hg(2-C(6)H(4)PPh(2))(2)](1),其
磷原子吸收
氧,
硫和
硼烷,得到化合物[Hg [2-C(6)H(4)P(X)Ph(2)](2)] [X = O(3),S(4 )和BH(3)(5)]。化合物1充当宽可变咬合角的双齿
配体,可以跨越平面复合物中的顺式或反式配位位点。代表性的配合物包括[HgX(2)x 1] [X = Cl(6a),Br(6b)],顺式-[PtX(2)x 1] [X = Cl(cis-7),Me(9), Ph(10)]和trans- [
MX(2)x 1] [X = Cl,M = Pt(trans-7),Pd(8),Ni(11);X =
NCS,M = Ni(13)],其中中心
金属离子处于四面体(6a,b)或平面(7-11,13)配位。配合物trans-7、8和11中的1的转置会产生紧密的
金属
汞接触[2