Tetrahedron p. 7261 - 7266 (2000)
Update date:2022-07-29
Topics:
Andrew, Rebecca J.
Mellor, John M.
Enaminones are available by reaction of 4-ethoxy-1,1,1-trifluorobut-3-ene-2-one with amines such as dimethylamine and they react with Grignard reagents to give αβ-unsaturated trifluoromethyl ketones in good yield by 1,4-addition followed by elimination. The generality of this procedure is contrasted with reactions based either on the use of organolithium nucleophiles, or the use of 4-alkoxy-αβ-unsaturated trifluoromethyl ketones as electrophilic partners. (C) 2000 Elsevier Science Ltd.
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