Abstract
AbstractSulfonamide is one of the most important structures in organic chemistry due to its frequent appearance in natural products as well as pharmaceuticals. This study reports a visible‐light‐promoted strategy for synthesis of sulfonamides from arylazo sulfones. One‐pot tri‐component reactions were conducted using arylazo sulfones, DABSO, and amines in the presence of CuBr2 as a coupling catalyst under irradiation with blue LEDs to prepare various sulfonamides in good yields under mild conditions. This method could be used effectively to produce a variety of useful sulfonamides.
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