Total Synthesis of (-)-Sessilifoliamide J

[摘要]：An efficient synthesis of the Stemona alkaloid ()-sessilifoliamide J (1) in 12 steps and 7.7% overall yield from the known building block 8 is presented. The synthesis features the Corey lactonization reaction and a highly diastereoselective alpha-methylation reaction to build the spirolactone moiety.

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