Crystal structure of 2-(4-chlorophenyl)-3-hydroxy-4H-chromen-4-one.

Flavones are a subclass of flavonoids, secondary metabolites of plants which contain the 2-phenyl­benzo­pyran pharmacophore. They are of inter­est as they display a wide variety of biological activities, such as anti­cancer and anti­oxidant. Recently, there has been an inter­est in coordinating flavones to various transition metals for anti­cancer activity. Our work in this area led to the synthesis and crystallization of flavones as inter­mediates. We reported the first crystal structure of 2-(4-chloro­phen­yl)-3-hy­droxy-4H-chromen-4-one, C15H9ClO3, a well studied compound in IUCrData. https://doi.org/10.1107/S2414314617009968

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