title: Sesquiterpene pyridine alkaloids from Hippocratea excelsa.
abstract: Nineteen sesquiterpene pyridine alkaloids including 17 new compounds have been isolated from the 70% aq. EtOH extract of stem barks of Hippocratea excelsa. The structures of these compounds were elucidated by various spectroscopic means.
authors.affiliation: College of Pharmacy, Nihon University, 7-7-1 Narashinodai, Funabashi, Chiba 274-8555, Japan.
authors.forename: Masakatsu
authors.initials: M
authors.lastname: Furukawa
authors.forename: Mitsuko
authors.initials: M
authors.lastname: Makino
authors.forename: Taketo
authors.initials: T
authors.lastname: Uchiyama
authors.forename: Katsuhiro
authors.initials: K
authors.lastname: Ishimi
authors.forename: Yoshiyuki
authors.initials: Y
authors.lastname: Ichinohe
authors.forename: Yasuo
authors.initials: Y
authors.lastname: Fujimoto
mesh_terms: D000470:Alkaloids / Q000737:chemistry* / Q000302:isolation & purification; D029753:Celastraceae / Q000737:chemistry*; D009682:Magnetic Resonance Spectroscopy; D012717:Sesquiterpenes / Q000737:chemistry* / Q000302:isolation & purification
chemical_list: D000470:Alkaloids; D012717:Sesquiterpenes