title: [Chemical constitutents of Bauhinia aurea].
abstract: OBJECTIVE
  To study the chemical constituents of Bauhinia aurea.
  
  
  METHODS
  The compounds were isolated with column chromatography. The structures were determined by MS and NMR spectroscopic techniques.
  
  
  RESULTS
  Nine aromatic acid derivatives, two triterpenes and three steroids were isolated from the 90% ethanolic extract and their structures were identified as 3,4-di-hydroxybenzoic acid (1), 4-hydroxybenzoic acid (2), 3-hydroxy-4-methoxy-benzoic acid (3), 4-hydroxy-3-methoxybenzoic acid (4) , gallic acid (5) , methyl gallate (6) , ethyl gallate (7) , lupeol (8) , lupenone (9) , stigmast4-en-3-one (10) beta-sitosterol (11) and daucosterol (12).
  
  
  CONCLUSIONS
  This is the first report of chemical constituents from B. aurea. Compounds were isolated from this genus for the first time, except 5,8,11 and 12.
authors.affiliation: Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Beijing 100050, China.
authors.forename: Xiao-ya
authors.initials: XY
authors.lastname: Shang
authors.forename: Shuai
authors.initials: S
authors.lastname: Li
authors.forename: Ying-hong
authors.initials: YH
authors.lastname: Wang
authors.forename: Su-juan
authors.initials: SJ
authors.lastname: Wang
authors.forename: Yong-chun
authors.initials: YC
authors.lastname: Yang
authors.forename: Jian-gong
authors.initials: JG
authors.lastname: Shi
mesh_terms: D036481:Bauhinia / Q000737:chemistry*; D009682:Magnetic Resonance Spectroscopy; D013058:Mass Spectrometry; D010226:Parabens / Q000737:chemistry / Q000302:isolation & purification*; D018547:Plant Stems / Q000737:chemistry; D010946:Plants, Medicinal / Q000737:chemistry*; D014315:Triterpenes / Q000737:chemistry / Q000302:isolation & purification*; D014641:Vanillic Acid / Q000737:chemistry / Q000302:isolation & purification*; D000094042:Lupanes
chemical_list: D010226:Parabens; D014315:Triterpenes; D014641:Vanillic Acid; C470592:lupenone; D000094042:Lupanes; C038193:4-hydroxybenzoic acid