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Synfacts 2007(9): 0898-0898  
DOI: 10.1055/s-2007-968831
Synthesis of Natural Products and Potential Drugs
© Georg Thieme Verlag Stuttgart · New York

Synthesis of (-)-Stemoamide

Contributor(s): Philip Kocienski, Zofia Komsta
S. Torssell, E. Wanngren, P. Somfai*
Royal Institute of Technology, Stockholm, Sweden
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Publikationsverlauf

Publikationsdatum:
23. August 2007 (online)

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Significance

(-)-Stemomide is an alkaloid isolated from Stemona tuberosa. A markworthy step of the synthesis is formation of lactone I in the Cu(II)-mediated bromolactonisation reaction, which served as an alternative to troublesome hydroboration attempts to form J.