New xanthones from Calophyllum caledonicum.
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.
Morel
C
C
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.
Séraphin
D
D
Oger
J M
JM
Litaudon
M
M
Sévenet
T
T
Richomme
P
P
Bruneton
J
J
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*
D010936:Plant Extracts; D014970:Xanthines