Two new coumarins,4'-hydroxycolumbianetin named angelidiol(A)and 6- [(?)(R),2(S)-3-trihydroxy-3-methylbutyl]-7-methoxycoumarin named angelitriol(B),were isolated from the EtOAc-soluble fraction of the 80% EtOH ext...Two new coumarins,4'-hydroxycolumbianetin named angelidiol(A)and 6- [(?)(R),2(S)-3-trihydroxy-3-methylbutyl]-7-methoxycoumarin named angelitriol(B),were isolated from the EtOAc-soluble fraction of the 80% EtOH extract and structurally eluciated on the basis of spectral analyses.展开更多
基金Project supported by the National Natural Science Foundation of China
文摘Two new coumarins,4'-hydroxycolumbianetin named angelidiol(A)and 6- [(?)(R),2(S)-3-trihydroxy-3-methylbutyl]-7-methoxycoumarin named angelitriol(B),were isolated from the EtOAc-soluble fraction of the 80% EtOH extract and structurally eluciated on the basis of spectral analyses.
