title: [Chemical constituents of Rosa laevigata Michx].
abstract: Six compounds were isolated from Rosa laevigata. Five of them were obtained from the ethanolic extract and identified as 2 alpha, 3 beta, 19 alpha, 23-tetrahydroxyurs-12-en-28-oic acid, 2 alpha, 3 alpha, 19 alpha, 23-tetrahydroxyurs-12-en-28-oic acid, euscaphic acid, beta-sitosterol and daucosterol. The other one was obtained from the acetate of emulsive layer of the petroleum ether and elucidared as 2 alpha, 3 beta-dihydrolup-28-methyl ester diacetate.
authors.affiliation: Institute of Materia Medica, Chinese Academy of Medical Sciences, Beijing.
authors.forename: Y
authors.initials: Y
authors.lastname: Gao
authors.forename: W M
authors.initials: WM
authors.lastname: Cheng
authors.forename: G Y
authors.initials: GY
authors.lastname: Li
mesh_terms: D004365:Drugs, Chinese Herbal / Q000737:chemistry*; D014315:Triterpenes / Q000737:chemistry / Q000302:isolation & purification*
chemical_list: D004365:Drugs, Chinese Herbal; D014315:Triterpenes; C007695:euscaphic acid