Abstract

- Total synthesis of (-)-flustramine B was achieved via one-pot intramolecular Ullmann coupling and Claisen rearrangement. A striking feature of this method of synthesis is that the sequential intramolecular Ullmann coupling and Claisen rearrangement reactions proceeds with concomitant deprotection of the methoxymethyl (MOM) group to afford spirocyclic oxindole with perfect asymmetric transmission in good overall yield.

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