Abstract
AbstractA one‐pot synthesis of 2‐amido‐3‐bromobenzo[b]thiophenes based on C−N coupling and oxidative bromocyclization reactions was developed. This enables a modular approach to obtain diverse substituents at the C2 position of benzothiophenes by employing structurally modified sulfonamides. Oxidative cyclization was driven by Selectfluor and represents a previously unreported recycling method for the bromide anion byproducts of the C−N bond coupling step. The details of the study are described fully herein.
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