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

• Published in: Bulletin of the Korean Chemical Society Vol. 9; no. 4; pp. 198 - 202
• Main Authors: Doh, Myung-Ki, Kim, Bong-Gon
• Format: Journal Article
• Language: Korean
• Published: 1988
• ISSN: 0253-2964; 1229-5949

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.