Bulletin of the Korean Chemical Society

Korean Chemical Society (대한화학회)
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Syntheses and Spectroscopic properties of Palladium(II) Complexes with Bidentate Aminophosphine of N,N-Dialkyl-N'-diphenylphosphinodiaminoethane

  • Doh, Myung-Ki (Department of Chemistry, Yeungnam University) ;
  • Kim, Bong-Gon (Department of Chemical Education, Gyeongsan National University)
  • Published : 1988.08.20
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Abstract

Several new palladium(II) complexes of aminophosphines, $(Pd(L)X_2)$, (L = $Ph_2PNH$ ++ $NR_2$; R = $CH_3(L_1)$, $C_2H_5(L_2)$ : X = Cl, Br, I, and NCS) that contain two different donor atoms of nitrogen and phosphorus as ${\pi}$-electron acceptor, were synthesized and characterized by conductivity measurement, ir, and UV/Vis-spectra. For the dithiocyanatopalladium(II) complexes with aminophosphines, it was confirmed that the thiocyanate group trans to phosphorus is coordinated as Pd-NCS mode and the one trans to nitrogen as Pd-SCN mode, and the aminophosphines form six-membered chelate ring. The spectra of dihalogenopalladium(II) complexes with aminophosphines show that the band maxima are shifted to the short wavelengths as the concentration is decreased.

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