title: Gesashidine A, a beta-carboline alkaloid with an imidazole ring from a Thorectidae sponge.
abstract: A new beta-carboline alkaloid with an imidazole ring, gesashidine A (1), has been isolated from an Okinawan marine sponge of the family Thorectidae (SS-1035), and the structure was elucidated from the spectroscopic data.
authors.affiliation: Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan.
authors.forename: Yoshiro
authors.initials: Y
authors.lastname: Iinuma
authors.forename: Shingo
authors.initials: S
authors.lastname: Kozawa
authors.forename: Haruaki
authors.initials: H
authors.lastname: Ishiyama
authors.forename: Masashi
authors.initials: M
authors.lastname: Tsuda
authors.forename: Eri
authors.initials: E
authors.lastname: Fukushi
authors.forename: Jun
authors.initials: J
authors.lastname: Kawabata
authors.forename: Jane
authors.initials: J
authors.lastname: Fromont
authors.forename: Jun'ichi
authors.initials: J
authors.lastname: Kobayashi
mesh_terms: D000470:Alkaloids / Q000737:chemistry* / Q000302:isolation & purification*; D000818:Animals; D002243:Carbolines / Q000737:chemistry* / Q000302:isolation & purification*; D007093:Imidazoles / Q000737:chemistry* / Q000302:isolation & purification*; D007564:Japan; D011161:Porifera / Q000737:chemistry*
chemical_list: D000470:Alkaloids; D002243:Carbolines; D007093:Imidazoles; C503029:gesashidine A