title: Two Alangium alkaloids from Alangium lamarckii.
abstract: Two new Alangium alkaloids, 1',2'-dehydrotubulosine (1) and alangine (2), were isolated from the dried fruits of Alangium lamarckii along with tubulosine (3), isotubulosine (4), deoxytubulosine, cephaeline, isocephaeline, psychotrine, neocephaeline, 10-O-demethylcephaeline, 2'-N-(1"-deoxy-1" -beta-D-fructopyranosyl)cephaeline, protoemetine, protoemetinol, salsoline, and alangiside. The structures of the new alkaloids (1 and 2) were determined by spectroscopic and chemical means.
authors.affiliation: Kobe Pharmaceutical University, Higashinada-ku, Kobe 658-8558, Japan.
authors.forename: A
authors.initials: A
authors.lastname: Itoh
authors.forename: Y
authors.initials: Y
authors.lastname: Ikuta
authors.forename: T
authors.initials: T
authors.lastname: Tanahashi
authors.forename: N
authors.initials: N
authors.lastname: Nagakura
mesh_terms: D000470:Alkaloids / Q000737:chemistry* / Q000302:isolation & purification; D002942:Circular Dichroism; D004640:Emetine / Q000031:analogs & derivatives; D005638:Fruit / Q000737:chemistry; D007194:India; D007546:Isoquinolines; D009682:Magnetic Resonance Spectroscopy; D013058:Mass Spectrometry; D010936:Plant Extracts / Q000032:analysis; D010946:Plants, Medicinal / Q000737:chemistry*; D013055:Spectrophotometry, Infrared; D013056:Spectrophotometry, Ultraviolet
chemical_list: C411300:1',2'-dehydrotubulosine; D000470:Alkaloids; D007546:Isoquinolines; D010936:Plant Extracts; C411301:alangine; D004640:Emetine