Ferrari Franco, Pasqua Gabriella, Monacelli Barbara, Cimino Paola, Botta Bruno
Istituto di Biochimica e Biochimica Clinica, Università Cattolica S Cuore e Centro per la Chimica del Riconoscimento Molecolare, CNR, Roma, Italy.
Nat Prod Res. 2005 Feb;19(2):171-6. doi: 10.1080/14786410410001704796.
Two new xanthone derivatives, 1-hydroxy-5,6,7-trimethoxyxanthone and 3-O-methylpaxanthone were isolated from callus of Hypericum perforatum subsp. perforatum together with the known paxanthone, cadensin G, 1-hydroxy-6,7-dimethoxyxanthone, 1,3,6,7-tetrahydroxyxanthone, and 1,3,5,6-tetrahydroxyxanthone. The structures of the new compounds were established by spectroscopic methods.
