title: Two new lignans from Celastrus flagellaris Rupr.
abstract: Two new lignans (R-biar)-12-angeloyloxy-6,7,8,9-tetrahydro-1,2,3,13,14-pentamethoxy-7,8-dimethyl-7-dibenzo[a,c]cyclooctenol (1) and (R-biar)-12-benzoyloxy-6,7,8,9-tetrahydro-1,2,3,13,14-pentamethoxy-7,8-dimethyl-7-dibenzo[a,c]cyclooctenol (2) were isolated from the stems of Celastrus flagellaris Rupr. Their structures were elucidated on the basis of spectroscopic methods including HR-EI-MS, 1D and 2D NMR, HMQC, NOESY, and CD.
authors.affiliation: Pharmacy College, Taishan Medical University, Tai'an, China. zhaoxm@tsmc.edu.cn
authors.forename: Xue-Mei
authors.initials: XM
authors.lastname: Zhao
authors.forename: Fu-Jiang
authors.initials: FJ
authors.lastname: Guo
authors.forename: Yi-Ming
authors.initials: YM
authors.lastname: Li
authors.forename: Da-Yuan
authors.initials: DY
authors.lastname: Zhu
mesh_terms: D031247:Celastrus / Q000737:chemistry*; D004365:Drugs, Chinese Herbal / Q000737:chemistry / Q000302:isolation & purification*; D017705:Lignans / Q000737:chemistry / Q000302:isolation & purification*; D015394:Molecular Structure; D018547:Plant Stems / Q000737:chemistry
chemical_list: C570973:(R-biar)-12-angeloyloxy-6,7,8,9-tetrahydro-1,2,3,13,14-pentamethoxy-7,8-dimethyl-7-dibenzo(a,c)cyclooctenol; C570972:(R-biar)-12-benzoyloxy-6,7,8,9-tetrahydro-1,2,3,13,14-pentamethoxy-7,8-dimethyl-7-dibenzo(a,c)cyclooctenol; D004365:Drugs, Chinese Herbal; D017705:Lignans