Abstract
AbstractBy taking advantage of the redox cycle between the reductive N‐oxyl radical and its oxidative oxoammonium counterpart, the N‐oxyl‐radical‐catalyzed intermolecular aminohydroxylation of styrenes with N‐fluorobenzenesulfonimide was developed. Various vinyl arenes were aminohydroxylated in moderate to excellent yields with high regio‐ and diastereoselectivities by using environmentally benign H2O as the oxygen source. In addition, the sequential inter/intramolecular aminoalkoxylation of homoallylic alcohols was also achieved under anhydrous conditions, which allowed the exclusive synthesis of pharmaceutically useful 2‐aryl‐3‐amino‐disubstituted tetrahydrofurans.
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