title: [Isolation and structure elucidation of glycosides in n-butanol extracts from rhizome of Periploca calophylla].
abstract: OBJECTIVE
  To study the chemical constituents from n-butanol extracts of Periploca calophylla.
  
  
  METHODS
  The constituents were isolated and purified by chromatographic technology and their structures were elucidated on the basis of physicochemical property and spectroscopic methods.
  
  
  RESULTS
  Eight glycosides were isolated and identified as periplocin (I), kaempferol 3-alpha-D-arabinoside (II), kaempferol 3-O-beta-D-glucoside (III), 3',4',5,7-tetrahydroxyflavanone-2(S)-3'-O-beta-D-glucopyranoside (IV), (+)-syringaresinol-4'-O-beta-D-monoglucoside (V), 1-sinapoylglucoside (VI), erigeside C (VII), 2,6-dimethoxy-4-hydroxyphenol 1-O-beta-D-glucoside (VIII).
  
  
  CONCLUSIONS
  All the compounds were isolated for the first time from this plant.
authors.affiliation: Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China.
authors.forename: Hong-Li
authors.initials: HL
authors.lastname: Guo
authors.forename: Jin-Yun
authors.initials: JY
authors.lastname: Zhou
mesh_terms: D001089:Arabinose / Q000031:analogs & derivatives* / Q000737:chemistry / Q000302:isolation & purification*; D000440:Butanols / Q000737:chemistry / Q000302:isolation & purification; D006027:Glycosides / Q000737:chemistry*; D044949:Kaempferols / Q000737:chemistry / Q000302:isolation & purification*; D031109:Periploca / Q000737:chemistry*; D010946:Plants, Medicinal / Q000737:chemistry*; D027343:Rhizome / Q000737:chemistry; D012503:Saponins / Q000737:chemistry / Q000302:isolation & purification*
chemical_list: D000440:Butanols; D006027:Glycosides; D044949:Kaempferols; D012503:Saponins; C502382:kaempferol 3-arabinoside; C502381:periplocin; D001089:Arabinose