ChemInform Abstract: Synthetic Studies o
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S. KANEKO; T. YOSHINO; T. KATOH; S. TERASHIMA
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Article
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2010
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John Wiley and Sons
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Synthetic Studies of Huperzine A and Its Fluorinated Analogues. Part 1. Novel Asymmetric Syntheses of an Enantiomeric Pair of Huperzine A. -The tandem cinchona alkaloid promoted asymmetric Michael addition/aldol reaction of the keto ester (I) with the aldehyde (II) and the asymmetric bicycloannulat