Koordinationschemie funktioneller phosphine: Carbonyl- und carbonyl(nitrosyl)wolfram-Derivate von 2-Diphenylphosphinoanilin und 2-Diphenylphosphinobenzoesäure
of CO by monodentate phosphines PR3 in [W(CO)5Cl]−, followed by treatment with Ph2PC6H4X-2 of the resulting anions [W(CO)4(PR3)Cl]−, afforded the mixed phosphine complexes [W(CO)4(PR3)(Ph2PC6H4X-2)] (PR3 PMe3, PBu3, PPh2Me and PPh3) 1a–1d (X NH2) and 2a–2d (X CO2H), respectively. [W(CO)4(Ph2PC6H4NH2-2)Cl]− (3), prone to further transformation into [W(CO)4(η2-Ph2PC6H4NH2-2)] (4) after loss of
[W(CO)5 Cl] -中的单齿膦PR 3代替CO ,然后用Ph 2 PC 6 H 4 X-2处理所得阴离子[W(CO)4(PR 3)Cl] -,得到混合膦配合物[W(CO)4(PR 3)(PH 2 PC 6 H ^ 4 X-2)](PR 3 PME 3,PBU 3,PPH 2我和PPH 3)1A-1D(X NH 2)和2a–2d(XCO 2 H)。[W(CO)4(PH 2 PC 6 H ^ 4 NH 2 -2)CL] - (3),容易出现进一步转化为[W(CO)4(η 2 -Ph 2 PC 6 H ^ 4 NH 2 -2 )](4)的Cl损失后- ,导致从[W(CO)的初始交互5 ]氯-的Ph 2 PC 6 H ^ 4 NH 2 -2。少量[W(CO)3(NO)(PPh 2 Me)(Ph 2 PC 6 H 4 CO 2 H-2)] [BF 4 ](5),四羰基化合物1和2与NO