title: Structure elucidation and NMR assignments of a new 6,9-cyclotetrahydrofuranlignan from Syringa pinnatifolia.
abstract: A new 6,9-cyclotetrahydrofuranlignan, 3,3'-dimethoxy-4,4'-dihydroxy-8β,9β,8'α-6,9-cyclotetrahydrofuranlignan, was isolated from the stem of Syringa pinnatifolia Hems1.var. alashanensis MA. et S. Q. ZHOU. Its structures were elucidated on the basis of spectroscopic methods including UV, IR, ESI-MS, 1D NMR and 2D NMR.
authors.affiliation: a College of Traditional Mongolian Medicine, Inner Mongolia University for Nationalities , Tongliao, Inner Mongolia 028000 , P.R. China.
authors.forename: Qinghu
authors.initials: Q
authors.lastname: Wang
authors.affiliation: a College of Traditional Mongolian Medicine, Inner Mongolia University for Nationalities , Tongliao, Inner Mongolia 028000 , P.R. China.
authors.forename: Ying
authors.initials: Y
authors.lastname: Xin
authors.affiliation: a College of Traditional Mongolian Medicine, Inner Mongolia University for Nationalities , Tongliao, Inner Mongolia 028000 , P.R. China.
authors.forename: Surina
authors.initials: S
authors.lastname: Han
authors.affiliation: a College of Traditional Mongolian Medicine, Inner Mongolia University for Nationalities , Tongliao, Inner Mongolia 028000 , P.R. China.
authors.forename: Jintao
authors.initials: J
authors.lastname: Bao
authors.affiliation: a College of Traditional Mongolian Medicine, Inner Mongolia University for Nationalities , Tongliao, Inner Mongolia 028000 , P.R. China.
authors.forename: Wuliji
authors.initials: W
authors.lastname: Ao
mesh_terms: D002681:China; D005663:Furans / Q000737:chemistry / Q000302:isolation & purification; D017705:Lignans / Q000737:chemistry* / Q000302:isolation & purification; D009682:Magnetic Resonance Spectroscopy; D015394:Molecular Structure; D018547:Plant Stems / Q000737:chemistry*; D031662:Syringa / Q000737:chemistry*
chemical_list: C000610668:3,3'-dimethoxy-4,4'-dihydroxy-8beta,9beta,8'alpha-6,9-cyclotetrahydrofuranlignan; D005663:Furans; D017705:Lignans
keywords: 3,3′-dimethoxy-4,4′-dihydroxy-8β,9β,8′α-6,9-cyclotetrahydrofuranlignan; HR-ESI-MS; NMR; Syringa pinnatifolia