title: Chemical study on Cyathula officinalis Kuan.
abstract: Four new compounds, 4-[(1-ethoxy-2-hydroxy)ethyl]phenol (1), 2,3-isopropylidene cyasterone (2), 24-hydroxycyasterone (3) and 2,3-isopropylidene isocyasterone (4), together with fourteen known compounds, have been isolated from the roots of Cyathula officinalis Kuan. Their structures have been elucidated predominantly by spectroscopic methods.
authors.affiliation: Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China.
authors.forename: Rong
authors.initials: R
authors.lastname: Zhou
authors.forename: Bo-Gang
authors.initials: BG
authors.lastname: Li
authors.forename: Guo-Lin
authors.initials: GL
authors.lastname: Zhang
mesh_terms: D008516:Medicine, Chinese Traditional; D018517:Plant Roots / Q000737:chemistry*; D010946:Plants, Medicinal / Q000737:chemistry*