Journal of the Korean Chemical Society (대한화학회지)

Korean Chemical Society (대한화학회)
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Synthesis of $Cp^*Ru(CO)(PR_3)H$ Type Complexes and Photo-Induced H/D Exchange Reaction

$Cp^*Ru(CO)(PR_3)H$형 착물의 합성과 광반응에 의한 H/D 교환반응

  • Lee, Dong Hwan (Department of Chemistry, Dong-eui University) ;
  • Kim, Sng Il (Department of Chemistry, Dong-eui University) ;
  • Kim, Jang Il (Department of Chemistry, Dong-eui University) ;
  • Oh, Yung Hee (Department of Chemistry, Dong-eui University) ;
  • Kam, Sang Kyu (Department of Enviromental Engineering, Cheju National University)
  • 이동환 (동의대학교 자연과학대학 화학과) ;
  • 김승일 (동의대학교 자연과학대학 화학과) ;
  • 김장일 (동의대학교 자연과학대학 화학과) ;
  • 오영희 (동의대학교 자연과학대학 화학과) ;
  • 감상규 (제주대학교 공과대학 환경공학과)
  • Published : 19971200
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Abstract

Hydride complexes Cp*Ru(CO)(PR3)H (Cp*=η5-C5Me5, PR3=PMe3, PEt3, PMePh2, PPh3, PCy3)(4a-4f) were synthesized by the reaction of the corresponding chloro complex Cp*Ru(CO)(PR3)Cl (3a-3f) with various hydridic reagent (NaBH4, LiAlH4, LiBEt3H) or NaOMe. Irradiation of Cp*Ru(CO)(PCy3)H (5e) in C6D6 solution with UV light caused H/D exchange reaction between coordinated Cp*, PCy3 and/or Ru-H ligand proton and a deuterium of the deuterated aromatic solvent through a series of inter- and intramolecular C-H activation. The proposed mechanism was described.

클로로착물 Cp*Ru(CO)(PR3)H (Cp*=η5-C5Me5, PR3=PMe3, PEt3, PMePh2, PPh3, PCy3)을 출발물질로 사용하여 다양한 히드리드화시약(NaBH4, LiAlH4, LiBEt3H)이나 NaOMe를 반응시켜서 대응하는 히드리드착물 Cp*Ru(CO)(PCy3)H(5)를 합성하였다. Cp*Ru(CO)(PCy3)H(5)착물의 C6D6ㅇ용액에 UV를 조사하면 분자간 및 분자내 C-H결합 활성화반응을 통하여 용매의 중수소와 착물의 배위 리간드인 Cp*, PCy3, Ru-H의 수소 사이에 H/D 교환반응이 진행되었으며 그 반응기구를 설명하였다.

Keywords

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