Abstract

AbstractA concise asymmetric formal synthesis of (–)‐swainsonine from readily available D‐erythronolactone is described. The key steps include a highly diastereoselective amination of a chiral benzylic ether, which occurs with the retention of stereochemistry using chlorosulfonyl isocyanate, and a palladium‐catalyzed decarboxylative N‐allylation of an allyl carbamate.

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