Acid-catalyzed regioselective sulfamination of γ-amino–alkenes and stereoselective rearrangement of pyrrolidines to piperidines

This paper describes efficient acid-catalyzed regioselective sulfamination of γ-amino–alkenes to form pyrrolidines and stereoselective rearrangement of pyrrolidines to piperidines. A possible reaction mechanism has been proposed.

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