摘要:
亚胺C 6 H 4(CH N n卜)(NO 2)-4与乙酸钯反应,得到的环钯[钯2 {κ 2 -C,NC 6 H ^ 3(CH Ñ Ñ丁基)-2-(NO 2)-5} 2(μ 2 -OAc)2 ](1)。该复合物在溴化物和2,2'-联吡啶(bpy)或PPh 3的存在下水解,得到邻甲酰基芳基复合物[Pd {C 6 H 3(CHO)-2-(NO 2)-5} Br (bpy)](2)或反式-[Pd {C 6 H 3(CHO)-2-(NO 2)-5} Br(PPh 3)2 ](3)。配合物2与吡啶(py)或PPh 3反应在Tl(TfO)(TfO = CF 3 SO 3)存在下,得到阳离子种[Pd {C 6 H 3(CHO)-2-(NO 2)-5}(py)(bpy)](TfO )(4)或[Pd {C 6 H 3(CHO)-2-(NO 2)-5}(bpy)(PPh 3)](TfO)(5)。同样,化合物[Pd