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KMID : 1059519920360050770
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Journal of the Korean Chemical Society
1992 Volume.36 No. 5 p.770 ~ p.779
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Synthesis of Iron Alkynylcarbene Complexes and Their Reactivies Toward Open-Chain 1,3-Dienes
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Park Jai-Wook
Kang Sun-Hwa
Whang Dong-Mok
Kim Ki-Moon
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Abstract
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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, (η3-vinylcarbene)Fe(CO)3 complexes (2) are obtained as major products.
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