Heterometallic complexes containing C4 chains. X-ray structures of {Cp(OC)3W}C≡CC≡C{Ir(CO)(PPh3)2(O2)} and cis-Pt{C≡CC≡C[W(CO)3Cp]}2(PEt3)2
作者:Michael I. Bruce、Ben C. Hall、Paul J. Low、Mark E. Smith、Brian W. Skelton、Allan H. White
DOI:10.1016/s0020-1693(99)00582-4
日期:2000.4
tungsten linked to metals of Groups 6–12 through a C4 bridge are readily prepared from simple derivatisation reactions of the complex W(CCCCH)(CO)3Cp bearing the parent diynyl ligand. Complexes Cp(OC)3W}CCCCMLn} [MLn=M(CO)xCp (n=3, M=Mo, W; n=2, M=Fe, Ru), M(CO)(PPh3)2 (M=Rh, Ir), Au(PPh3)] have been obtained from CuI-catalysed reactions of W(CCCCH)(CO)3Cp (1) with MXLn (X=halide) in NHEt2.
含钨通过C 4桥与6-12族金属连接的杂金属二炔基配合物很容易从带有母体二炔基配体的配合物W(CCCCH)(CO)3 Cp的简单衍生反应中制备。Cp(OC)3 W}CCCCML n } [ML n = M(CO)x Cp(n = 3,M = Mo,W; n = 2,M = Fe,Ru), M(CO)(PPh 3)2(M = Rh,Ir),Au(PPh 3)]由CuI催化W(CCCCH)(CO)3 Cp(1)与MXL的反应制得NHEt 2中的n(X =卤化物)。类似地,顺式-PtCl 2 L 2(L = PEt 3; L 2= dppe,dppp)提供了顺式-Pt CCC =C [W(CO)3 Cp]} 2 L 2。锂化1(LiNPr i 2),然后与MnI(CO)5偶联,得到Cp(OC)3 W}CCCCMn(CO)5 },而1与Hg(OAc)的直接反应)2给出Hg