title: A new sesquiterpenoid quinone and other related compounds from the Okinawan marine sponge Dactylospongia elegans.
abstract: The new sesquiterpenoid quinone, neodactyloquinone (1), and dactylolactones A-D (2-5) were isolated from the Okinawan sponge Dactylospongia elegans. The structures of these compounds were determined by spectroscopic analysis.
authors.affiliation: School of Pharmacy, Tokyo University of Pharmacy and Life Science, 1432-1 Horinouchi, Hachioji, Tokyo 192-0392, Japan.
authors.forename: Hidemichi
authors.initials: H
authors.lastname: Mitome
authors.forename: Takahiro
authors.initials: T
authors.lastname: Nagasawa
authors.forename: Hiroaki
authors.initials: H
authors.lastname: Miyaoka
authors.forename: Yasuji
authors.initials: Y
authors.lastname: Yamada
authors.forename: Rob W M
authors.initials: RW
authors.lastname: van Soest
mesh_terms: D000818:Animals; D002851:Chromatography, High Pressure Liquid; D007564:Japan; D007783:Lactones / Q000737:chemistry / Q000302:isolation & purification*; D008969:Molecular Sequence Data; D019906:Nuclear Magnetic Resonance, Biomolecular; D011161:Porifera / Q000737:chemistry*; D011809:Quinones / Q000737:chemistry / Q000302:isolation & purification*; D012717:Sesquiterpenes / Q000737:chemistry / Q000302:isolation & purification*
chemical_list: D007783:Lactones; D011809:Quinones; D012717:Sesquiterpenes; C474262:neodactyloquinone