title: New xanthones from Calophyllum caledonicum.
abstract: Four new xanthones, caledonixanthones A-D (1-4), were isolated from the trunk bark of Calophyllum caledonicum, in addition to 17 known compounds. The structures of 1-4 were determined by means of spectroscopic analysis and chemical derivatization.
authors.affiliation: SONAS, UFR des Sciences Pharmaceutiques et Ingénierie de la Santé, 16 Bd Daviers, F-49100 Angers, France, and ICSN-CNRS, Gif-sur-Yvette, F-91191, France.
authors.forename: C
authors.initials: C
authors.lastname: Morel
authors.forename: D
authors.initials: D
authors.lastname: Séraphin
authors.forename: J M
authors.initials: JM
authors.lastname: Oger
authors.forename: M
authors.initials: M
authors.lastname: Litaudon
authors.forename: T
authors.initials: T
authors.lastname: Sévenet
authors.forename: P
authors.initials: P
authors.lastname: Richomme
authors.forename: J
authors.initials: J
authors.lastname: Bruneton
mesh_terms: D009682:Magnetic Resonance Spectroscopy; D008968:Molecular Conformation; D019441:Plant Epidermis / Q000737:chemistry; D010936:Plant Extracts / Q000737:chemistry; D010946:Plants, Medicinal / Q000737:chemistry*; D013056:Spectrophotometry, Ultraviolet; D014970:Xanthines / Q000302:isolation & purification*
chemical_list: D010936:Plant Extracts; D014970:Xanthines