Chemical constituents with chemotaxonomic significance from the whole plants of Chloranthus sessilifolius K.F.Wu

Phytochemical research on the whole plants of Chloranthus sessilifolius K.F.Wu yielded a total of twenty compounds, including nine diterpenoids ( 1 – 9 ), three sesquiterpenoids ( 10 – 12 ), three flavones ( 13 – 15 ), a benzofuran derivative ( 16 ), an indole derivative ( 17 ), two amides ( 18 – 19 ), and a coumarin hybrid ( 20 ). Their structures were established by means of spectroscopic analysis. Among them, compounds 3 – 5 , 7 – 13 , and 15 – 20 were isolated from C. sessilifolius for the first time. In addition, the chemotaxonomic significance of the above-mentioned compounds was discussed.