title: A new proaporphine alkaloid from Meconopsishorridula.
abstract: A new proaporphine alkaloid, 8, 9-dihydroprooxocryptochine (1), together with three known alkaloids, was isolated from the aerial parts of Meconopsishorridula Hook. f. & Thomson (Papaveraceae), a traditional Tibetan medicine. The structure of 1 was determined by spectroscopic methods.
authors.affiliation: Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining 810008, PR China. wwwtony505@yahoo.com.cn
authors.forename: Haifeng
authors.initials: H
authors.lastname: Wu
authors.forename: Lisheng
authors.initials: L
authors.lastname: Ding
authors.forename: Jianwei
authors.initials: J
authors.lastname: Shen
authors.forename: Huajie
authors.initials: H
authors.lastname: Zhu
authors.forename: Xiaofeng
authors.initials: X
authors.lastname: Zhang
mesh_terms: D000470:Alkaloids / Q000737:chemistry / Q000302:isolation & purification*; D001060:Aporphines / Q000737:chemistry / Q000302:isolation & purification*; D038861:Medicine, Tibetan Traditional; D015394:Molecular Structure; D028101:Papaveraceae / Q000737:chemistry*; D010936:Plant Extracts / Q000737:chemistry / Q000302:isolation & purification*
chemical_list: C553855:9-dihydroprooxocryptochine; D000470:Alkaloids; D001060:Aporphines; D010936:Plant Extracts