Two new germacranes, chrysanthemumins C （1） and D （2）, and five eudesmanes, chrysanthemumols I-K （3- 5） as new ones, eudesm-4（14）-ene-3a,11-diol （6） and canusesnol E （7）, were isolated from the ethyl aceta...Two new germacranes, chrysanthemumins C （1） and D （2）, and five eudesmanes, chrysanthemumols I-K （3- 5） as new ones, eudesm-4（14）-ene-3a,11-diol （6） and canusesnol E （7）, were isolated from the ethyl acetate soluble fraction of 95% EtOH extract of the flowers of Chrysanthemum indicum. The structures of isolated sesquiterpe- noids were elucidated on basis of extensive spectroscopic evidences.展开更多
文摘Two new germacranes, chrysanthemumins C （1） and D （2）, and five eudesmanes, chrysanthemumols I-K （3- 5） as new ones, eudesm-4（14）-ene-3a,11-diol （6） and canusesnol E （7）, were isolated from the ethyl acetate soluble fraction of 95% EtOH extract of the flowers of Chrysanthemum indicum. The structures of isolated sesquiterpe- noids were elucidated on basis of extensive spectroscopic evidences.
