flavonen.
/ˈfleɪvəʊn/, U.S. /ˈfleɪˌvoʊn/ Chemistry.
(a) A colourless crystalline tricyclic compound, C15H10O2; 2-phenylbenzo-1, 4-pyrone. (b) Any of the derivatives of this compound, many of which are plant pigments; a flavonoid.
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flavone1897
flavonoid1949
bioflavonoid1951
1897 Jrnl. Chem. Soc. 72 i. 425 Flavone, C15H10O2, is formed by the condensation of ketocumaran with benzaldehyde, and separates in almost colourless crystals melting at 108°.
1921 Jrnl. Chem. Soc. 120 i. 682 The bromides of o-acetoxyphenyl styryl ketones yield flavones..according to the substituents in the benzone nucleus.
1938 G. H. Richter Textbk. Org. Chem. 664 The powder on the flower stalks, leaves, and seed capsules of many varieties of the primula is chiefly flavone.
1965 P. Bell & D. Coombe tr. Strasburger's Textbk. Bot. (new ed.) 21 In many genera in which there are blue- or red-flowered species containing anthocyanins, other species have yellow flowers containing flavones.
This entry has not yet been fully updated (first published 1933; most recently modified version published online March 2022).
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