Abstract: Two novel compounds, clemaphenol A and dihydro-4-hydroxy-5-hyroxymethyl-2(3H)-fura-none were isolated together with eight known compounds, isoferulic acid, β-sitosterol, daucosterol, 5-hy-droxymethyl-2-furancarboxaldehyde, 5-hydroxy-4-oxo-pentanoic acid, palmitic acid, linoleic acid and anemonin from the root of Clematis chinensis Osbeck.

Key words: Clematis chinensis, Clematis chinensis, Clemaphenol A, Clemaphenol A, Dihydro-4-hydroxy-5-hyroxymethyl-2(3H)-furanone, Dihydro-4-hydroxy-5-hyroxymethyl-2(3H)-furanone