Add time:08/14/2019         Source:sciencedirect.com

4-Ethoxy-1,1,1-trifluoro-3-buten-2-one (cas 17129-06-5) (1) reacts with phenylmagnesium bromide to give ethoxy group substitution products while the reaction of 1 with organozinc compounds gives products arising from 1,2-addition to the carbonyl group. Enone 1 reacts with electron-rich aromatic systems such as indole and N,N-dimethylaniline in the presence of a Lewis acid catalyst to give a β-arylvinyltrifluoromethylketone.

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