11,12-Dehydroursolic acid lactone from leaves of Eucalyptus viminalis

Abstract

We have continued a study of the triterpenoids of the leaves of the ribbon eucalyptus [i]. In addition to ursolic and maslinic acids, according to TLC the chloroform extract contained a less polar triterpenoid with Rf 0.8 (Silufol; chloroform--methanol (9:1)). Liquid-i phase extraction of the chloroform extract with 2% sodium hydroxide solution gave the… (More)
DOI: 10.1007/BF00596763

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