euxanthonen.
/juːˈzanθəʊn/ Chemistry.
A yellow derivative of xanthone, C13H8O4; purrenone; 1:7-dihydroxyxanthone.
ΚΠ
1852 H. B. Jones & A. W. Hoffman Fownes's Man. Elem. Chem. (ed. 4) 582 A neutral crystalline sublimate, purrenone or euxanthone.
1857 W. A. Miller Elements Chem. III. 518 When euxanthic acid is heated..a little above 212°, it melts, and a yellow sublimate of purrenone or euxanthone (C40H12O12) is formed.
1952 K. Venkataraman Chem. Synthetic Dyes II. xxiv. 740 Euxanthone, found in the urine of cows fed on mango leaves, is 1,7-dihydroxyxanthone.
1959 E. H. Rodd Chem. Carbon Compounds IV. viii. 966 Xanthen derivatives have long been known and include euxanthic acid and the related euxanthone.
This entry has not yet been fully updated (first published 1972; most recently modified version published online June 2018).
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