Studies in halochalcones and related compounds: synthesis of 3′:5′-dichloro-2′-hydroxychalcones and their derivatives
作者:B.C. Jha、G.C. Amin
DOI:10.1016/0040-4020(58)88044-8
日期:1958.5
The condensation of 3:5-dichloro-2hydroxy acetophenone with various aldehydes afforded chalcones, which were converted into the corresponding 6:8-dichloroflavanones by the action of dilute ethanolic hydrochloric acid. The oxidation of chalcones by means of selenium dioxide and by alkaline hydrogen peroxides gave 6:8-dichloro-flavones and -flavonols respectively. Incidentally, some chalcones from 3