title: [Aporphine alkaloids from Litsea greenmaniana].
abstract: A new aporphine alkaloid (1), together with five known analogues (2-6), has been isolated from the branch of Litsea greenmaniana by using various chromatographic techniques. Their structures were identified by spectroscopic data analysis ( MS, IR, 1D and 2D NMR) as 2,9-dihydroxy-1,10-dimethoxy-4,5-dihydro-7-oxoaporphine (1), laurotetanine (2), N-methyllaurotetanine (3), isodomesticine (4), isocorydine (5), and norisocorydine (6). Compound 1 was a new compound, and compounds 2-6 were obtained from this plant for the first time.
authors.forename: Yu-Hong
authors.initials: YH
authors.lastname: Qu
authors.forename: Ming
authors.initials: M
authors.lastname: Jiang
authors.forename: Ling-Yan
authors.initials: LY
authors.lastname: Wang
authors.forename: Yan-Cheng
authors.initials: YC
authors.lastname: Li
authors.forename: Ya-Nan
authors.initials: YN
authors.lastname: Wang
authors.forename: Qing-Lan
authors.initials: QL
authors.lastname: Guo
authors.forename: Yong-Ji
authors.initials: YJ
authors.lastname: Li
authors.forename: Sheng
authors.initials: S
authors.lastname: Lin
mesh_terms: D000470:Alkaloids / Q000737:chemistry*; D001060:Aporphines / Q000737:chemistry*; D004365:Drugs, Chinese Herbal / Q000737:chemistry*; D032862:Litsea / Q000737:chemistry*; D015394:Molecular Structure; D021241:Spectrometry, Mass, Electrospray Ionization
chemical_list: D000470:Alkaloids; D001060:Aporphines; D004365:Drugs, Chinese Herbal; C081279:aporphine