| Synonyms: |
2-(3,4-dihydroxyphenyl)-5-hydroxy-8,8-dimethyl-4H,8H-pyrano[2,3-f]chromen-4-one,
5-hydroxy-8,8-dimethyl-2-(3,4-dihydroxyphenyl)-4H,8H-benzo[1,2-b:3,4-b']dipyran-4-one
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| Definition: |
An extended flavonoid that is 4H,8H-pyrano[2,3-f]chromen-4-one substituted by a 3,4-dihydroxyphenyl group at position 2, hydroxy group at position 5 and geminal methyl groups at position 8. It is isolated from the roots of Artocarpus chama and exhibits cytotoxicity against a panel of human tumour cell lines like breast adenocarcinoma, ovarian carcinoma, ileocecal carcinoma and melanoma. |