Liebeskind–Srogl cross-coupling on γ-carboxyl-γ-butyrolactone derivatives: application to the side chain of amphidinolides C and F

作者: Johan Fenneteau , Sara Vallerotto , Laurent Ferrié , Bruno Figadère

DOI: 10.1016/J.TETLET.2015.04.035

关键词: StereochemistryEpoxideStereoselectivityAmphidinolide FSide chainChemistryKetoneReductive eliminationBoronic acidStereocenter

摘要: Abstract The synthetic approach for the C20–C29 and C20–C34 fragments of amphidinolide F C was based on an original Liebeskind–Srogl cross-coupling reaction with a glutamic acid-derived building-block. Further highly diastereoselective reduction ketone achieved by using uncommon Ph 3 SiH/TBAF/HMPA system. side chain built through reductive elimination chiral epoxide to install stereogenic center at C29.

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