title: Chemical studies on Mexican plants used in traditional medicine, XXI. Ratibinolide II, a new sesquiterpene lactone from Ratibida latipalearis.
abstract: Ratibinolide II, a new eudesmanolide, and the known flavanone hispidulin have been isolated from Ratibida latipalearis. The structure elucidation of the new compound was unequivocally established by spectral and X-ray crystallographic analyses.
authors.affiliation: Facultad de Química, Centro Universitario, Universidad Autónoma de Queretaro, México.
authors.forename: A
authors.initials: A
authors.lastname: Rojas
authors.forename: R
authors.initials: R
authors.lastname: Villena
authors.forename: A
authors.initials: A
authors.lastname: Jiménez
authors.forename: R
authors.initials: R
authors.lastname: Mata
mesh_terms: D000818:Animals; D001156:Artemia / Q000187:drug effects; D008800:Mexico; D015394:Molecular Structure; D010946:Plants, Medicinal / Q000737:chemistry*; D014961:X-Ray Diffraction