Chemical Constituents from the Euphorbia antiquorum L.

The chemical constituents of Euphorbia antiquorum L.were studied by the methods of column chromatography and HPLC.Six compounds were isolated from the ethanol extracts of Euphorbia antiquorum and the structures were elucidated on the basis of spectral analysis and physiochemical properties.They were identified as euphol(1),euphorbol(2),β-sitosterol(3),stigmasterol(4),taraxetol(5),and 6,7,8-trimethoxy coumarin(6).The compounds 1,2,5,and 6 were isolated from this plant for the first time.