摘要:
                                The complex [Au-III(dppa)Cl-2(tht)(4)](OSO2CF3), with ligand addition produce [Au-III(dppa)Cl-2(RaaiR')(2)](OTf)(4) [RaaiR'=p-R-C-6 H-4-N=N-C3H2 -NN-1-R', (1-3), abbreviated as N,N'-chelator, where N(imidazole) and N(azo) represent N and N', respectively; R = H (a), Me (b), Cl (c) and R' = Me (1), CH2CH3 (2), CH2Ph (3), dppa is diphenylphosphinoamine, OSO2CF3 is triflate anion, tht is tetrahydrothiophen]. IR spectra of the complexes show -C=N- and -N=N- stretching near at 1590 and 1370 cm(-1) and near at 1100, 755, 695, 545, 505 cm-1 for dppa. The H-1 NMR spectral measurements suggest methylene, -CH2-, in [Au-2(dppa)Cl-2(RaaiCH(2)CH(3))(2)](4+), giving a complex AB type multiplet splitting while in [Au-2(dppa)Cl-2(RaaiCH(2)Ph)(2)](4+), AB type quartet splitting. C-13 (H-1) NMR spectrum suggest the molecular skeleton. Electrochemistry show the ligand reductions at the negative to SCE. (c) 2007 Elsevier B.V. All rights reserved.