[Ir(cod)R,S-bis(troppPh)}]O3SCF3 (16), were prepared. The cation of the 16-electron rhodium complex 15 has a square planar structure, which is markedly distorted towards a square pyramid with the rhodium centre in the apex. The structure of the cation of the 18-electron complex of 16 is trigonal bipyramidal and unprecedented a phosphorus and an olefin unit occupy the axial positions. Cyclic voltammetry
新的四螯合
二膦1,2-[(5 H-二
苯并[a,d]环庚-5-基)
苯基膦基]
乙烷,R,S - 11 [ R,S -bis(tropp Ph)]和相应的对映体由1,2-双(
苯基膦基)
乙烷(9)合成R,R -bis(tropp Ph),R,R - 12和S,S -bis(tropp Ph),S,S - 12,5-
氯-5 H-二
苯并[a,d]
环庚烯(10)。具有内消旋形式R,S - 11,
铑(I)络合物[Rh R,S -bis(tropp Ph)}] PF 6(15)和
铱(I)络合物[Ir(cod) R,小号双(tropp博士)}] O 3 SCF 3(16)制备。16电子
铑络合物15的阳离子具有方形平面结构,其明显向着
铑中心在顶点的方形
金字塔变形。16的18-电子络合物的阳离子的结构是三角双锥体并且空前的
磷和
烯烃单元占据轴向位置。15的循环伏安数据表明,当[Rh R,S -bis(tropp