Journal of the Korean Chemical Society (대한화학회지)

Korean Chemical Society (대한화학회)
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Palladium(II) Complexes of Aminophosphines (I). Characterization and Synthesis of $[Pd(L)X_2] with X = Cl^-, Br^-, I^-, NCS^-$

아미노포스핀류를 포함하는 팔라듐 (II) 착물 (제1보). $[Pd(L)X_2] (X = Cl^-, Br^-, I^-, NCS^-)$의 합성과 성질

  • Myung-Ki Doh (Department of Chemistry, Yeungnam University) ;
  • Bong-Gon Kim (Department of Chemistry, Yeungnam University)
  • 도명기 (영남대학교 이과대학 화학과) ;
  • 김봉곤 (영남대학교 이과대학 화학과)
  • Published : 1983.08.20
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Abstract

Several new $[Pd(L)X_2]$ complexes have been prepared with aminophosphines (L) such as trans-1,2-bis[diphenylphosphino)amino]cyclohexane and 1,2-bis[(diphenylphosphino) amino] propane that contain phosphorus atom as ${\pi}$-electron acceptor, and the bond character of complexes have been investigated by means of infrared and electronic spectroscopy. It was found that thiocyanate ions are N-coordinated possibly due to the steric and electronic influence of the phosphorus atom in aminophosphines that formed seven-membered chelate rings, and that spectrochemical series that is derived from the electronic spectra of the complexes is $NCS^- > Cl^- > Br^- > I^-$

${\pi}$-전자받게로서 phsphrous 원자를 가지고 있는 aminophosphines류, trans-1,2-bis[diphenylphosphino)amino]cyclohexane and 1,2-bis[(diphenylphosphino) amino] propane을 포함하는 새로운 팔라듐(II) 착물, $[Pd(L)X_2] (X=Cl^-, Br^-, I^-, NCS^- )$을 합성하고, aminophosphine류와 한자리 리간드를 갖는 Pd(II) 착물의 결합특성을 IR, UV 등으로 조사하였다. 7원 킬레이트 고리를 형성하는 aminophosphines 류 중에 있는 phosphorus 원자의 전자효과 및 입체효과에 따라 두자리성 리간드인 thiocyanate는 Pd-NCS로 배위되며, 한자리 리간드에 따른 분광화학 계열은 $NCS^- > Cl^- > Br^- > I^-$순으로 나타났다.

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