Journal of the Korean Chemical Society (대한화학회지)

Korean Chemical Society (대한화학회)
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Reaction of Cobalt Doubledecker Sandwich Complexes with Oximes for Synthesizing Cobalt Oxime Sandwich Complex

Cobalt Oxime Sandwich형 화합물을 합성하기 위하여 Oxime류와 (${\eta}^5$-Cyclopentadienyl)cobalt를 포함하는 착물과의 반응

  • Won-Sik Lee (Department of Chemistry, Keimyung University) ;
  • Hyuk Lee (Department of Chemistry, Keimyung University) ;
  • Sang-In Byun (Department of Chemistry, Keimyung University) ;
  • Young-Bae Park (Department of Chemistry, Keimyung University) ;
  • Kwang Lee (Department of Chemistry, Keimyung University) ;
  • Jae-Kook Uhm (Department of Chemistry, Keimyung University) ;
  • Young-Woo Kwak (Department of Chemistry, Kyungpook National University) ;
  • Tae-Jeong Kim (Department of Industrial Chemistry, Kyungpook National University)
  • Published : 1992.04.20
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Abstract

(${\eta}^5$-Cyclopentadienyl)bis(ethylene)cobalt (Jonas reagent), (${\eta}^5$-cyclopentadienyl)di(carbonyl)cobalt, and bis(${\eta}^5$-cyclopentadienyl)cobalt (cobaltocene) were reacted with oximes, respectively, under various conditions for synthesizing cobalt oxime sandwich complex. Jonas reagent and a dienemonooxime, 2,4-hexadienealdoxime underwent the reaction. This produced unexpected compound, (${\eta}^5$-cyclopentadienyl)(2,4-hexadienenitrile)cobalt [VII]. The compound [VII] was identified by NMR, mass spectrometer, IR and elemental analyzer etc.

Cobalt 금속 중심으로 cyclopentadienyl을 ${\pi}$-착물로 결합하고, 또 oxime 화합물을 리간드로 하는 cobalt oxime sandwich형 착물을 합성하기 위하여 본 연구를 수행하였다. Cyclopentadienyl-cobalt 부분을 도입하기 위해, (${\eta}^5$-Cyclopentadienyl)bis(ethylene)cobalt (Jonas 시약), (η5-cyclopentadienyl)di(carbonyl)cobalt, 그리고 bis(${\eta}^5$-cyclopentadienyl)cobalt (cobaltocene)의 착물이 사용되었고, oxime을 각각 여러 가지 조건에서 반응시켰다. 그 중에서 Jonas 시약과 dienemonooxime인 2,4-hexadienealdoxime만이 반응되었으며, 그 생성물은 예상을 벗어난 (${\eta}^5$-cyclopentadienyl)(2,4-hexadienenitrile)cobalt [VII]로 밝혀졌다. 이 화합물의 구조는 NMR, mass spectrometer, IR 원소분석기를 통해 확인되었다.

Keywords

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