Journal of the Korean Chemical Society (대한화학회지)

Korean Chemical Society (대한화학회)
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Synthesis Catalytic Application of Several$d^8Transition Metal Diphosphine Complexes, (MCl_2PP) (M = Ni^{2+}, Pd^{2+}, Pt^{2+}, Au^{3+} ; PP = diphosphines)$

몇가지 $d^8$ 전이금속-디포스핀 착물 ($MCl_2PP$)의 합성과 촉매적 응용 (M = $Ni^{2+}$, $Pd^{2+}$, $Pt^{2+}$, $Au^{3+}$ ; PP = diphosphines)

  • Park Yu-Chul (Department of chemistry, Kyungpook National University) ;
  • Kim Kyung-Chae (Department of chemistry, Kyungpook National University) ;
  • Cho Young-Jae (Central Research Institute, Korea Steel Chemical CO. LTD.)
  • 박유철 (경북대학교 자연과학대학 화학과) ;
  • 김경채 (경북대학교 자연과학대학 화학과) ;
  • 조영제 ((주)제철화학 중앙연구소)
  • Published : 1992.10.20
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Abstract

The $d^8$-transition metal complexes containing diphosphine, $MCl_2PP$ were prepared by using $K_nMCl_m$ as starting materials, wherein M were Ni(II), Pd(II), Pt(II) and Au(III) and PP were bis(diphenylphosphino)methane(dppm), bis(diphenylphosphino)ethane(dppe), bis(diphenylphosphino)propane (dppp) and bis(diphenylphosphino)ethylene(dppety). The complexes were characterized by the spectral property $(^H-NMR$, $^{31}P-NMR$ and UV-Visible spectra) together with elemental analysis. The complexes were tested for the catalytic activity on the formation reactions of 3(2H)-furanone and cyclic carbonate. The only Ni(II)- and Pd(II)-diphosphine complexes displayed a good catalytic effects in the production of 3(2H)-furanone from 2-methyl-3-butyn-2-ol [reaction (1)]. But all the diphosphine complexes as catalyst were almost inactive towards cyclic carbonate production preaction [reaction (2)].

디포스핀을 포함한 몇가지 $d^8$ 전이금속착물$(MCl_2PP)$은 출발물질 $K_nMCl_m$을 사용하여 합성하였다. 중심금속(M)은 Ni(II), Pd(II), Pt(II), Au(III)이며, 디포스핀(PP)은 bis(diphenylphosphino)methane(dppm), bis(diphenylphosphino)ethane(dppe), bis(diphenylphosphino)propane (dppp) 및 bis(diphenylphosphino)ethylene(dppety)이었다. 착물의 조성이나 특성은 원소분석과 $^1H-NMR$, $^{31}P-NMR$ 및 UV-Visible 스펙트럼을 이용하여 확인하였다. 이들 착물의 촉매적 활성은 3(2H)-furanone 및 cyclic carbonate 생성반응에 대하여 각각 조사하였다. 2-methyl-3-butyn-2-ol로부터 생성물 3(2H)-furanone을 얻은 반응 (1)에서 Ni(II)-, Pd(II)-diphosphine 착물은 좋은 촉매적 효과를 나타내었다. 그러나 이들 diphosphine 착물들은 cyclic carbonate 생성반응 (2)에 대해 촉매제로서의 활성을 거의 나타내지 않았다.

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