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A new cytotoxic naphthopyrone dimer from Paepalanthus bromelioides
R G Coelho1, W Vilegas, K F Devienne
1Instituto de Química de Araraquara, Departmento de Quimica Organica, CP 355, CEP 14801-970 Araraquara-SP, Brazil.
Fitoterapia
|July 14, 2001
Abstract:
A new naphthopyrone dimer was isolated from the capitula of Paepalanthus bromelioides by chromatographic procedures. It structure was deduced from spectrometric data. On colorimetric assay for cytotoxicity the new dimer showed IC50 of 55.9 microM.