title: Four new naphthylisoquinoline alkaloids from Ancistrocladus tectorius.
abstract: Four new naphthylisoquinoline alkaloids, ancistrotectoriline A (1), ancistrotectoriline B (2), 6-O-methyl-4'-O-demethylancistrocladine (3), and 6-O-methyl-4'-O-demethylhamatine (4), were isolated from the stems and leaves of Ancistrocladus tectorius, collected from Hainan Province, Southern China. Their structures were elucidated using MS and NMR methods.
authors.affiliation: State Key Laboratory of Drug Research, Shanghai Institute of Meteria Medica, Chinese Academy of Sciences, 294 Tai-Yuan Road, Shanghai 200031, China.
authors.forename: C P
authors.initials: CP
authors.lastname: Tang
authors.forename: Y P
authors.initials: YP
authors.lastname: Yang
authors.forename: Y
authors.initials: Y
authors.lastname: Zhong
authors.forename: Q X
authors.initials: QX
authors.lastname: Zhong
authors.forename: H M
authors.initials: HM
authors.lastname: Wu
authors.forename: Y
authors.initials: Y
authors.lastname: Ye
mesh_terms: D000470:Alkaloids / Q000737:chemistry / Q000302:isolation & purification*; D002681:China; D007546:Isoquinolines / Q000737:chemistry / Q000302:isolation & purification*; D009682:Magnetic Resonance Spectroscopy; D019684:Magnoliopsida / Q000737:chemistry*
chemical_list: D000470:Alkaloids; D007546:Isoquinolines