Journal of the Korean Chemical Society (대한화학회지)

Korean Chemical Society (대한화학회)
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Synthesis of Iron Alkynylcarbene Complexes and Their Reactivies Toward Open-Chain 1,3-Dienes

철 알킨일카르벤 착물 유도체의 합성과 열린 사슬 1,3-디엔에 대한 반응성 연구

  • Park Jaiwook (Department of Chemistry and Center for Biofunctional Molecules, Pohang Institute of Science and Technology) ;
  • Kang Sunhwa (Department of Chemistry and Center for Biofunctional Molecules, Pohang Institute of Science and Technology) ;
  • Whang Dongmok (Department of Chemistry and Center for Biofunctional Molecules, Pohang Institute of Science and Technology) ;
  • Kim Kimoon (Department of Chemistry and Center for Biofunctional Molecules, Pohang Institute of Science and Technology)
  • Published : 1992.10.20
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Abstract

Five (alkynylethoxymethylene)$Fe(CO)_4 complexes (1) are prepared through the reaction of Fe(CO)_5$ with alkynyllithium (R = n-Pr, cyclohexyl, t-Bu, trimethylsilyl, Ph) and subsequent O-ethylation of the resulting acyl anion complexes with ethyl fluorosulfonate. In the reactions of trimethylsilyl-substituted alkynylcarbene complex (1d) with 8 open-chain 1,3-dienes, ({\eta}^3-vinylcarbene)Fe(CO)3 complexes (2) are obtained as major products.

$Fe(CO)_5와 알킨일리튬의 반응에서 생성된 아실 음이온 착물을 CH_3CH_2OSO_2F로 처리하는 방법으로 5종의 철 알킨일카르벤 착물 유도체(1)들을 합성하였다. [R-C≡C-C(OCH_2CH_3)]Fe(CO)_4(R = n-프로필, 시클로헥실, t-부틸, 트리메틸실릴, 페닐). 트리메틸시릴기가 치환된 유도체(1d)와 8종의 열린 고리 1,3-디엔과의 반응에서 {\eta}^3-비닐카르벤 착물 유도체(2)를 주생성물로 얻었다.$

Keywords

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