PROCEDIMIENTO PARA LA OBTENCION DE CARBOXAMIDAS DE LA QUINOXALINA-1,4-DIOXIDO.

摘要

Process comprises condensn. of a cpd. of formula (I) with a cpd. of formula - CH3C(=NR)CH2CONHR (II) - (R is ethyl and hydroxyethyl). To increase efficiency, reaction, in inert organic solvent, is effected at 20-100 deg.C, and the prod. sepd. by filtration. - Carboxamides have antibacterial properties, and increase animal growth.