Enantioselective Bromoaminocyclization Using Amino–Thiocarbamate Catalysts
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A facile and efficient enantioselective bromoaminocyclization of unsaturated sulfonamides has been developed using an amino–thiocarbamate catalyst. A range of enantioenriched pyrrolidines were prepared with up to 99% yield and 99% ee. The corresponding lactams could be obtained through oxidation of the pyrrolidines.
创建时间:
2016-02-23



