Abstract
AbstractA tert‐butyl hydroperoxide‐initiated radical cyclization of 1‐(allyloxy)‐2‐(1‐arylvinyl)benzenes with sulfinic acids for the construction of sulfonated benzoxepines is developed. This reaction involves a radical pathway and offers a straightforward route to the formation of seven‐membered ring via sulfonylation/cyclization process. This methodology features mild reaction conditions, a broad substrate scope and good functional group tolerance.magnified image
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