4.8 Article

Selective Catalytic Formation of Cross-Tetramers from Tetrafluoroethylene, Ethylene, Alkynes, and Aldehydes via Nickelacycles as Key Reaction Intermediates

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JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 140, 期 50, 页码 17423-17427

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AMER CHEMICAL SOC
DOI: 10.1021/jacs.8b11671

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  1. Japan Society for the Promotion of Science (JSPS) [A16H02276, 16KT0057, 17H03057]
  2. Grants-in-Aid for Scientific Research [17H03057] Funding Source: KAKEN

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In the presence of a catalytic amount of Ni(cod)(2) (cod = 1,5-cyclooctadiene) and PCy3 (Cy = cyclohexyl), the cross-tetramerization of tetrafluoroethylene (TFE), ethylene, alkynes, and aldehydes leads to a variety of fluorine-containing enone derivatives. This reaction is the first example of a highly selective cross-tetramerization between four different unsaturated compounds. Stoichiometric reactions revealed that the present reaction involves partially fluorinated five- and seven-membered nickelacycles as key reaction intermediates.

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