Abstract

AbstractA visible light‐mediated difluoroacetylation of cinnamamides with ethyl bromodifluoroacetate as a CF2 radical precursor is described. The reaction incorporates tandem cyclization or cyclization/dearomatization processes. The latter process occurs when there is a p‐RO substituent on the aniline. This protocol affords straightforward new routes to separately synthesize quinoline‐2‐ones and spiro[4.5]decanes in moderate to good yields.magnified image

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