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Synthesis 2009(18): 3162-3173
DOI: 10.1055/s-0029-1216939
DOI: 10.1055/s-0029-1216939
FEATUREARTICLE
© Georg Thieme Verlag
Stuttgart ˙ New York
Synthesis of Dibromophakellin, Dibromophakellstatin, and Dibromoagelaspongin via Oxidative Cyclization of Dihydrooroidin Derivatives
Further Information
Publication History
Received
1 July 2009
Publication Date:
14 August 2009 (online)


Abstract
A putative biosynthesis proposal for oroidin-derived marine alkaloids serves as a template for developing a biomimetic strategy for the syntheses of tetracyclic members of the phakellin family of sponge metabolites. Pummerer chemistry triggers the oxidative cyclization of the dihydrooroidin derivative, and dibromophakellin, dibromophakellstatin, and dibromoagelaspongin all can be accessed efficiently via this strategy.
Key words
oxidative cyclization - Pummerer - marine alkaloid