首页> 中文期刊> 《结构化学 》 >CRYSTAL STRUCTURE OF (20R, 25S)-12β, 25-EPOXY-20, 26-CY-CLODAMMARANE-2α, 3β-DIOL MONOMETHANOL, C_(30)H_(50)O_3·CH_3OH

CRYSTAL STRUCTURE OF (20R, 25S)-12β, 25-EPOXY-20, 26-CY-CLODAMMARANE-2α, 3β-DIOL MONOMETHANOL, C_(30)H_(50)O_3·CH_3OH

             

摘要

Gypenosides, a series of dammarane-type saponins from Gynostemma pentaphyllum Makino, were hydrolyzed under 5% H_2SO_4 catalysis to afford the title compound as a new secondary sapogenin in addition to panaxadiol and 2a-hydroxypanaxadiol. The crystals of the title compound were obtained from methanol solution and a colourless crystal with dimensions of 0.2 × 0.2 × 0.2 mm was used. C_(30)H_(50)

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