title: [Steroidal alkaloids of from Veratrum dahuricum].
abstract: OBJECTIVE
  To study the steroidal alkaloids in Veratrum dahuricum.
  
  
  METHODS
  The compounds were isolated and purified by various column chromatographic methods. Their structures were identified by spectroscopic analysis.
  
  
  RESULTS
  Five compounds were isolated and identified as (20R, 22S, 25S)-veratra-5,13-dien-3beta-ol (1), angeloylzygadenine (2), 15-O-(2-methylbutanoyl)-3-O-veatroylprotoverine (3), 20-isoveratramine (4), veratramine (5).
  
  
  CONCLUSIONS
  Compound 1 was a new compound, compounds 24 were obtained from the plant for the first time.
authors.affiliation: State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China.
authors.forename: Lang
authors.initials: L
authors.lastname: Zhao
authors.forename: Zhiqiang
authors.initials: Z
authors.lastname: Ou
authors.forename: Kan
authors.initials: K
authors.lastname: Wang
authors.forename: Hongzheng
authors.initials: H
authors.lastname: Fu
mesh_terms: D000470:Alkaloids / Q000737:chemistry*; D004365:Drugs, Chinese Herbal / Q000737:chemistry*; D007536:Isomerism; D013256:Steroids / Q000737:chemistry*; D014703:Veratrum / Q000737:chemistry*
chemical_list: D000470:Alkaloids; D004365:Drugs, Chinese Herbal; D013256:Steroids