Antibacterial C-Geranylflavonoids from Paulownia tomentosa Fruits

Eight C-6-geranylflavonoids (1−8) were isolated from an ethanol extract of Paulownia tomentosa fruits. Tomentodiplacone (1), 3′-O-methyl-5′-hydroxydiplacone (2), 3′-O-methyl-5′-O-methyldiplacone (3), and tomentodiplacone B (4) were obtained as new compounds, and 3′-O-methyldiplacol (5) was isolated...

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