Abstract
AbstractThe objective of this study was to describe a cyclization reaction of photoredox generated ortho‐quinone methides using 1,3‐diketones for the synthesis of trifluoromethylated 4H‐1‐benzopyrans with moderate to high yields. This process resulted in in situ formation of trifluoromethylated ortho‐quinone methides from 2‐vinyl phenols with Umemoto's reagent, followed by conjugate addition and cyclization reaction of 1,3‐diketones.
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