Abstract
AbstractA photocatalytic reaction of N‐(2‐vinylphenyl)amides, DABCO⋅(SO2)2 and arenediazonium tetrafluoroborates for the synthesis of 4‐((arylsulfonyl)methyl)‐4H‐benzo[d][1,3]oxazines under mild conditions is reported. This synthetic approach is enabled by merging photoredox catalysis and insertion of sulfur dioxide via a radical process. The specific role of photoredox catalysis in this transformation is supported by mechanistic investigations and theoretical calculations.magnified image
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