title: Cinanthrenol A, an estrogenic steroid containing phenanthrene nucleus, from a marine sponge Cinachyrella sp.
abstract: Cinanthrenol A (1), a new steroid composed of a phenanthrene and a spiro[2,4]heptane system, was isolated from the marine sponge Cinachyrella sp. It is the first phenathrene-containing steroid with estrogen activity.
authors.affiliation: School of Advanced Science and Engineering, Waseda University , Shinjuku-ku, Tokyo 169-8555, Japan.
authors.forename: Koshi
authors.initials: K
authors.lastname: Machida
authors.forename: Takahiro
authors.initials: T
authors.lastname: Abe
authors.forename: Daisuke
authors.initials: D
authors.lastname: Arai
authors.forename: Mayumi
authors.initials: M
authors.lastname: Okamoto
authors.forename: Isao
authors.initials: I
authors.lastname: Shimizu
authors.forename: Nicole J
authors.initials: NJ
authors.lastname: de Voogd
authors.forename: Nobuhiro
authors.initials: N
authors.lastname: Fusetani
authors.forename: Yoichi
authors.initials: Y
authors.lastname: Nakao
mesh_terms: D000818:Animals; D004967:Estrogens / Q000737:chemistry / Q000302:isolation & purification* / Q000494:pharmacology*; D006801:Humans; D008386:Marine Biology; D015394:Molecular Structure; D010616:Phenanthrenes / Q000737:chemistry*; D011161:Porifera / Q000737:chemistry*; D013256:Steroids / Q000737:chemistry / Q000302:isolation & purification* / Q000494:pharmacology*
chemical_list: D004967:Estrogens; D010616:Phenanthrenes; D013256:Steroids; C000588617:cinanthrenol A; C031181:phenanthrene