Ebenaceae extractives. Part 8. The structure of diosquinone and reactions of related quinone epoxides
Abstract
Diosquinone, from Diospyros tricolor, is shown to be the naphthoquinonylnaphthoquinone epoxide (2). Juglone epoxides react with chloroform and with ethanol with the formation of chloro- and chlorohydroxy-juglones and of ethoxy- and ethoxyhydroxy-juglones respectively.