title: [Study on the chemical constituents in herb of Hypericum attenuatum].
abstract: OBJECTIVE
  To study the constituents of Hypericum attenatum.
  
  
  METHODS
  The compounds were isolated by chromatography on silica gel, the structures were identified by their physical, chemical properties and IR, NMR and MS spectral data respectively.
  
  
  RESULTS
  Nine compounds were isolated and identified as p-hydroxybenzoic acid (1), 6, 9-dihydroxy-4, 7-megastigmadien-3-one (2), butyl alcohol-O-alpha-D-fructoside (3), 24-ethyl-cholest-7-ene-3 beta, 5 alpha, 6 beta-thtroil (4), hexanol (5), 1 beta, 6 alpha-dihydroxyeudesmane-4(14)-ene (6), beta-sitosterol (7), 5, 5-dimethyl-4-hydroxy-tetrahydrofuran-2-one (8), beta-daucosterol (9).
  
  
  CONCLUSIONS
  All of the compounds were isolated from H. attenuatum for the first time.
authors.affiliation: Department of Pharmacology, Wenzhou Medical College, Wenzhou 325035, China. jianyd163@163.com
authors.forename: Jian-yong
authors.initials: JY
authors.lastname: Dong
authors.forename: Zhong-jian
authors.initials: ZJ
authors.lastname: Jia
mesh_terms: D000441:Hexanols / Q000737:chemistry / Q000302:isolation & purification*; D020902:Hypericum / Q000737:chemistry*; D045792:Norisoprenoids / Q000737:chemistry / Q000302:isolation & purification*; D010226:Parabens / Q000737:chemistry / Q000302:isolation & purification*; D035261:Plant Components, Aerial / Q000737:chemistry; D010946:Plants, Medicinal / Q000737:chemistry*
chemical_list: C517486:6,9-dihydroxy-4,7-megastigmadien-3-one; D000441:Hexanols; D045792:Norisoprenoids; D010226:Parabens; C036260:1-hexanol