Department of Chemistry, Faculty of Science, El-Minia University, 61519, El-Minia, Egypt. abdellaahmed@hotmail.com
Abstract:
Two new highly oxygenated eudesmanes and 10 known lignans were isolated from the aerial parts of Achillea holosericea. Their structures were elucidated by extensive application of one- and two-dimensional 1H and 13C NMR spectroscopy.