AbstractEthyl chromone‐2‐carboxylate and all its benzoanalogs were prepared and caused to react with 1,2‐diami‐nobenzene to give 2‐(2‐hydroxybenzoyl)methinyl‐3‐oxo‐1,2,3,4‐tetrahydroquinoxaline and its benzo analogs. The condensation products of diethyl oxalate and methyl hydroxyaryl ketones which were required for the preparation of the starting esters, were found to be subject to rin