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KMID : 0366919980100010292
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Sungkyun Pharmceutical Journal
1998 Volume.10 No. 1 p.292 ~ p.298
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Formation of Methyl 2β, 3β-Epoxy-23-hydroxyurs-12-en-28-oate from Asiaticoside and Its Reductive Epoxide Ring Opening Reaction
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Abstract
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Steroidal 2β, 3β-epoxy compound was prepared from asiaticoside via six steps and reduced regioselectively with lithium aluminum hydride. Epoxide ring opening furnished 9 as a sole product at reflux condition through axial hydride attack at C-3.
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