title: Lupin alkaloids from Chinese Maackia amurensis.
abstract: Two new alkaloids were isolated together with 16 known lupin alkaloids from the leaves and stems of Chinese Maackia amurensis. Their structures were determined by spectroscopic methods to be (-)-6alpha-methoxylupanine and (-)-5alpha-(12-cytisinylmethyl)-6alpha-hydroxylupan ine and identified by comparison with synthetic samples. The structures of lupin alkaloids were also related to the geographical distributions of the Maackia plants.
authors.affiliation: Institute of Medicinal Chemistry, Hoshi University, Tokyo, Japan.
authors.forename: Y H
authors.initials: YH
authors.lastname: Wang
authors.forename: J S
authors.initials: JS
authors.lastname: Li
authors.forename: Z R
authors.initials: ZR
authors.lastname: Jiang
authors.forename: H
authors.initials: H
authors.lastname: Kubo
authors.forename: K
authors.initials: K
authors.lastname: Higashiyama
authors.forename: S
authors.initials: S
authors.lastname: Ohmiya
mesh_terms: D000470:Alkaloids / Q000737:chemistry* / Q000302:isolation & purification; D003890:Desiccation; D007887:Fabaceae / Q000737:chemistry*; D009682:Magnetic Resonance Spectroscopy; D013058:Mass Spectrometry; D010946:Plants, Medicinal / Q000737:chemistry*; D013055:Spectrophotometry, Infrared
chemical_list: D000470:Alkaloids