Abstract

The synthesis of pyrrolidine and indolizidine derivatives through radical carboazidation of alkenes with alpha-iodoketones, followed by reductive amination, is described. When properly substituted, further lactamization afforded pyrrolizidinones in good yield. This carboazidation/reductive amination sequence was efficiently applied to the total synthesis of three different simple alkaloids, including (+/-)-monomorine I.

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