The college of Life Science and Technology, Kunming University of Science and Technology, Kunming 650224, China
Abstract:
A new aryltetrahydronaphthalene lignan, (+)-cycloolivil formaldehyde condensate (1), was isolated from the whole plants of Epimedium brevicornum (Berberidaceae). Its structure was elucidated on the basis of MS, 1D and 2D NMR techniques.