Development of Ferrocene-Containing Metal Catalysts for Asymmetric Synthesis

페로센을 이용한 비대칭 유기합성용 금속 촉매의 개발

  • Oh, Yunghee (Department of Chemistry, Dongeui University) ;
  • Choi, Mi-Jin (Department of Chemistry, Dongeui University)
  • 오영희 (동의대학교 자연과학대학 화학과) ;
  • 최미진 (동의대학교 자연과학대학 화학과)
  • Received : 1999.07.05
  • Accepted : 1999.07.16
  • Published : 1999.08.10

Abstract

New copper complexes with a ligand, L(L=N,N'-cyclohexane bis(ferrocenylmethylene)amine) which was obtained from ferrocene carboxaldehyde and 1,2-diaminocyclohexane with a mole ratio of 2:1, were prepared and characterized. Those were adapted to asymmetric catalysis. The copper(II) complexes do not work in cyclopropanation of styrene and ethyl diazoacetate but copper(I) complex catalyzes. The Cu(I)LOTf (OTf=trifluorometanesulfonate) shows a good regioselectivity giving high trans to cis ratio of up to 80:20.

Acknowledgement

Supported by : 한국학술진흥재단

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