title: Calyciphyllines N-P, alkaloids from Daphniphyllum calycinum.
abstract: Three new Daphniphyllum alkaloids, calyciphyllines N-P (1-3), were isolated from the leaves and stems of Daphniphyllum calycinum. The structures and relative stereochemistry of 1-3 were elucidated on the basis of spectroscopic data.
authors.affiliation: Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan.
authors.forename: Hiroko
authors.initials: H
authors.lastname: Yahata
authors.forename: Takaaki
authors.initials: T
authors.lastname: Kubota
authors.forename: Jun'ichi
authors.initials: J
authors.lastname: Kobayashi
mesh_terms: D000470:Alkaloids / Q000737:chemistry / Q000302:isolation & purification*; D004365:Drugs, Chinese Herbal / Q000737:chemistry / Q000302:isolation & purification*; D015394:Molecular Structure; D019906:Nuclear Magnetic Resonance, Biomolecular; D011083:Polycyclic Compounds / Q000737:chemistry / Q000302:isolation & purification*; D031995:Saxifragaceae / Q000737:chemistry*
chemical_list: D000470:Alkaloids; D004365:Drugs, Chinese Herbal; D011083:Polycyclic Compounds; C535098:calyciphylline N; C535099:calyciphylline O; C535100:calyciphylline P