Perhalophenyl complexes of palladium(II) containing keto-stabilized phosphorus ylides of the type Ph2P(CH2)nPPh2CHC(O)R
作者:R. Usón、J. Forniés、R. Navarro、A.M. Ortega
DOI:10.1016/0022-328x(87)80101-8
日期:1987.11
From suitable perhalophenyl derivatives of palladium(II), viz.: Pd(C6F5)2-(SC4H8)2, [Pd(μ-X′) (C6X5)2]2(NBu4)2, [Pd(μ-Cl)(C6X5)(SC4H8)]2 (X = F, Cl, X′ = Cl, Br), new complexes of various types have been prepared, viz.: trans-Pd(C6F5)2(Y)2, Pd(C6X5)2(Y), PdCl(C6X5)(Y) (X = F, Cl). The neutral ligand Y is a keto-stabilized phosphorus ylide of the type Ph2P(CH2)nPPh2CHC(O)R (n = 1, R = CH3, C6H5; n =
由合适的钯(II)的全卤苯基衍生物,即:Pd(C 6 F 5)2-(SC 4 H 8)2,[Pd(μ-X')(C 6 X 5)2 ] 2(NBu 4)2,[Pd(μ-Cl)(C 6 X 5)(SC 4 H 8)] 2(X = F,Cl,X'= Cl,Br),已经制备了各种类型的新络合物。 :反式-Pd(C 6 F 5)2(Y)2,Pd(C 6 X5)2(Y),PdCl(C 6 X 5)(Y)(X = F,Cl)。中性配体Y是Ph 2 P(CH 2)n PPh 2 CHC(O)R(n = 1,R = CH 3,C 6 H 5 ; n = 2,R = C 6 H 5)以末端单齿P-供体或双齿螯合物P,C-供体模式起作用。PdCl(C 6 F 5)(Y)络合物与HCl的反应生成相应的PdCl 2(C 6 F 5)(YH)络合物,其中phospho阳离子[YH] +在其次膦酸酯末端起单齿P-供体的作用。