A new fluorenone derivative, named chrysotoxone(3) was isolated from the ethanolic extract of the stems of Dendrobium chrysotoxum (Orchidaceae), along with three known compounds. The structure of the new fluorenone wa...A new fluorenone derivative, named chrysotoxone(3) was isolated from the ethanolic extract of the stems of Dendrobium chrysotoxum (Orchidaceae), along with three known compounds. The structure of the new fluorenone was elucidated as 2,5,8trihydroxy1,4dimethoxy9fluorenone.展开更多
文摘A new fluorenone derivative, named chrysotoxone(3) was isolated from the ethanolic extract of the stems of Dendrobium chrysotoxum (Orchidaceae), along with three known compounds. The structure of the new fluorenone was elucidated as 2,5,8trihydroxy1,4dimethoxy9fluorenone.
