Synthesis of the Cyclohexan Subunit of Baconipyrones A and B from Furan

Abstract

[figure: see text] The synthesis of the cyclohexan subunit of the siphonarlid metabolites baconipyrones A and B from furan is described. A key step included the alkylative ring opening of 7-oxanorbornenic sulfone 4 and oxidative desulfonylation of compound 8.