title: [Chemical constituents of Quercus mongolica Fisch].
abstract: OBJECTIVE
  To study the chemical constituents of the leaves of Quercus mongolica.
  
  
  METHODS
  Using techniques of silical gel column chromatography and HNMR, 13CNMR.
  
  
  RESULTS
  Four compounds were isolated and identified as friedelin, glutinol, lupeo and beta-sitosterol respectively.
  
  
  CONCLUSIONS
  All the compounds were isolated from this plant for the first time.
authors.affiliation: Department of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110015.
authors.forename: J
authors.initials: J
authors.lastname: Yuan
authors.forename: Q
authors.initials: Q
authors.lastname: Sun
mesh_terms: D004365:Drugs, Chinese Herbal / Q000737:chemistry*; D015394:Molecular Structure; D053978:Pentacyclic Triterpenes; D018515:Plant Leaves / Q000737:chemistry; D010946:Plants, Medicinal / Q000737:chemistry*; D029963:Quercus / Q000737:chemistry*; D012855:Sitosterols / Q000737:chemistry / Q000302:isolation & purification; D014315:Triterpenes / Q000737:chemistry / Q000302:isolation & purification*; D000094042:Lupanes
chemical_list: D004365:Drugs, Chinese Herbal; D053978:Pentacyclic Triterpenes; D012855:Sitosterols; D014315:Triterpenes; C025473:gamma-sitosterol; C060796:friedelin; D000094042:Lupanes; C010480:lupeol