respectively. Treatment of Pd(2)X(2)(P-P)(2) (X = Cl or Br) with X(2) generates the stable, face-to-face Pd(II)(2) derivatives trans-Pd(2)X(4)(P-P)(2), while oxidation of Pd(2)I(2)(P-P)(2) complexes with I(2) generates a new type of symmetrically di-iodo-bridged, five-coordinate complexes Pd(2)I(2)(micro -I)(2)(dmpm)(2) and Pd(2)I(2)(micro -I)(2)(depm)(2). The molecular crystal structures of four dipalladium(II)
据报道,含有R(2)PCH(2)PR(2)类型的空间上不需要的
二膦(PP)
配体的二铝配合物的制备方法,其中R = Me(dmpm)或Et(depm)。Pd(I)(2)配合物Pd(2)X(2)(dmpm)(2)(X = Cl,Br或I; Pd( 2)络合物始终是桥接的,但为方便起见,省略了微符号)表示络合物在溶液中是易变的,环翻转过程的障碍为DeltaG(double dagger)= 37.9、39.0和43.2 + / -对于
氯,
溴和
碘配合物分别为0.9 kJ mol(-)(1)。用X(2)处理Pd(2)X(2)(PP)(2)(X = Cl或Br)会生成稳定的,面对面的Pd(II)(2)衍
生物trans-Pd(2 )X(4)(PP)(2),而Pd(2)I(2)(PP)(2)与I(2)的复合物的氧化生成一种新型的对称二
碘桥联反应,五坐标复合物Pd(2)I(2)(micro -I)(2)(d