title: Alkaloids from Stemona collinsae.
abstract: A new alkaloid, isostenine (1), together with two known ones neotuberostemonine (2) and bisdehydroneotuberostemonine (3) were isolated from the root of Stemona collinsae. Their structures were determined by various spectral methods.
authors.affiliation: Institute of Natural Products Chemistry, National Center of Sciences and Technology of Vietnam, Hanoi.
authors.forename: Huu-Dien
authors.initials: HD
authors.lastname: Pham
authors.forename: Bing-Wu
authors.initials: BW
authors.lastname: Yu
authors.forename: Van-Minh
authors.initials: VM
authors.lastname: Chau
authors.forename: Yang
authors.initials: Y
authors.lastname: Ye
authors.forename: Guo-Wei
authors.initials: GW
authors.lastname: Qin
mesh_terms: D000470:Alkaloids / Q000737:chemistry / Q000302:isolation & purification*; D007783:Lactones / Q000737:chemistry / Q000302:isolation & purification*; D019684:Magnoliopsida / Q000737:chemistry*; D010946:Plants, Medicinal / Q000737:chemistry*
chemical_list: D000470:Alkaloids; D007783:Lactones; C468413:bisdehydroneotuberostemonine; C468414:isostenine; C468415:neotuberostemonine