Synthesis of (+)-casuarine

Scott E. Denmark, Alexander R. Hurd

Research output: Contribution to journalArticlepeer-review

Abstract

The first synthesis of (+)-casuarine ((+)-6), a pentahydroxy pyrrolizidine alkaloid of the alexine/australine subclass, is described. The key step is a tandem [4 + 2]/[3 + 2] nitroalkene cycloaddition involving nitrobenzoate 13, chiral vinyl ether 16c, and vinyl silane 10, which establishes five of the six stereocenters present in this potent glycosidase inhibitor. The completion of the synthesis requires only four additional steps to deliver the final product in 20% overall yield.

Original languageEnglish (US)
Pages (from-to)2875-2886
Number of pages12
JournalJournal of Organic Chemistry
Volume65
Issue number10
DOIs
StatePublished - May 19 2000

ASJC Scopus subject areas

  • Organic Chemistry

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