Abstract
Three new triterpene saponins, clematochinenosides H–J (1–3), were isolated from the roots and rhizomes of Clematis chinensis. Their structures were elucidated on the basis of spectroscopic means including 1D and 2D NMR experiments and hydrolysis products.
Acknowledgements
We are grateful to members of the Analytical Center of Peking University Health Science Center for the measurements of the mass spectra and elemental analysis.