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4-Methoxy-7-phenyl-6,7-dihydrofuro[3,2-g]chromen-5-one
2006
Acta Crystallographica Section E
Preserved Fulltext
The title compound, C18H12O4, known as pinnatin, is a furanoflavone isolated from Derris indica (Lam.). The furanoflavone nucleus is almost planar. The phenyl ring is axially attached to the furanoflavone skeleton. The methoxy group deviates slightly from the plane of the molecule. The molecules are linked in a zigzag manner through C—H...O interactions into molecular ribbons along the b axis. Further stabilization is provided by weak C—H...π and π–π interactions.
doi:10.1107/s1600536806013900
fatcat:2zkr3ix7yjdwtoneqwpa65ayvi