Abstract
( E)- O-Arylsulfonyl- N-(2-nitroalk-2-enyl)hydroxylamines were easily obtained in good yields starting from ( E)-nitro allylic alcohols, the crucial step being an inorganic base-catalyzed decarboxylative rearrangement of proposed labile unsaturated carbamates. A possible mechanism for the outcome of the reaction, characterized by the unusual retention of the sulfonyloxy group, is proposed.
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