title: Isolation of a new carboline alkaloid from Trigonostemon lii.
abstract: A new carboline alkaloid, 1-(7-methoxy-quinolinyl-4'-yl)-3,4-dihydro-β-carboline (1), was isolated from the leaves and twigs of Trigonostemon lii Y.T. Chang, together with three known ones, trigonostemonines C and D (2 and 3), and trigonoliimine A (4). Their structures were elucidated by spectroscopic analyses, including 2D-NMR techniques.
authors.affiliation: a School of Chemistry and Chemical Engineering, Yunnan Normal University , Chenggong New District, Kunming 650500 , P.R. China.
authors.forename: Hongmei
authors.initials: H
authors.lastname: Yang
authors.affiliation: a School of Chemistry and Chemical Engineering, Yunnan Normal University , Chenggong New District, Kunming 650500 , P.R. China.
authors.forename: Yanping
authors.initials: Y
authors.lastname: Luo
authors.affiliation: a School of Chemistry and Chemical Engineering, Yunnan Normal University , Chenggong New District, Kunming 650500 , P.R. China.
authors.forename: Hongmei
authors.initials: H
authors.lastname: Zhao
authors.affiliation: a School of Chemistry and Chemical Engineering, Yunnan Normal University , Chenggong New District, Kunming 650500 , P.R. China.
authors.forename: Jichun
authors.initials: J
authors.lastname: Wu
authors.affiliation: a School of Chemistry and Chemical Engineering, Yunnan Normal University , Chenggong New District, Kunming 650500 , P.R. China.
authors.forename: Yegao
authors.initials: Y
authors.lastname: Chen
mesh_terms: D000470:Alkaloids / Q000737:chemistry / Q000302:isolation & purification*; D002243:Carbolines / Q000737:chemistry / Q000302:isolation & purification*; D019665:Euphorbiaceae / Q000737:chemistry*; D026121:Indole Alkaloids / Q000737:chemistry / Q000302:isolation & purification; D009682:Magnetic Resonance Spectroscopy; D015394:Molecular Structure; D018515:Plant Leaves / Q000737:chemistry; D011804:Quinolines / Q000737:chemistry / Q000302:isolation & purification*
chemical_list: C000609424:1-(7-methoxy-quinolinyl-4'-yl)-3,4-dihydro-beta-carboline; D000470:Alkaloids; D002243:Carbolines; D026121:Indole Alkaloids; D011804:Quinolines; C551376:trigonoliimine A
keywords: Euphorbiaceae; Trigonostemon lii; carboline alkaloid