title: Chemical Constituents of the Lichen Ramalina hierrensis.
abstract: The following compounds have been isolated from the lichen RAMALINA HIERRENSIS, collected on savin, and endemic to the Canary Islands: ursolic acid, iso-arborinol acetate, beta-sitosterol, ergosterol peroxide, cerevisterol, (-)-sandaracopimaric acid, parietin, (+)-usnic acid, (+)-iso-usnic acid, divaricatic acid, atranorin, stictic acid, gangaleodin, variolaric acid, montagnetol, and hierridin. The structures of all compounds were elucidated by physical, spectral, and chemical methods.
authors.affiliation: Centro de Productos Naturales Orgánicos Antonio González, Consejo Superior de Investigaciones Científicas, Carretera La Esperanza 2, La Laguna, 38206 Tenerife, Canary Islands, Spain.
authors.forename: A G
authors.initials: AG
authors.lastname: González
authors.forename: J B
authors.initials: JB
authors.lastname: Barrera
authors.forename: E M
authors.initials: EM
authors.lastname: Pérez
authors.forename: C E
authors.initials: CE
authors.lastname: Padrón