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 α-methylation reaction to build the spiro-lactone moiety.
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| http://dx.doi.org/10.1021/jo3014484 | DOI Listing |
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