Poly (N-bromoacrylamide) as highly efficient, regioselective and recyclable catalyst for preparation of β-azidoalcohols, β-cyanoalcohols, β-nitroalcohols and β-nitratoalcohol from epoxides under aqueous condition

Poly (N-bromoacrylamide) with electrophilic bromine are introduced as polymeric catalyst for efficient and regioselective conversion of epoxides to azidohydrins, cyanohydrins, nitrohydrins and nitratohydrins in good to excellent yields under mild reaction conditions. The advantages of these reagents over some of those reported in the literature are easy work-up procedure, reusability of the catalyst, clean and neutral reaction conditions

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