Synthesis and Functionalization of 3-Azolylquinoxalin-2(1H)-ones. -The formation of compound (IX) as a single isomer starting from an 1:1 cis/trans--mixture of diamine (VIII) is explained by epimerization during formation of the intermediate Schiff base. -(GERASCHENKO*, O. V.; KHODAKOVSKIY, P. V.; SHISHKIN, O. V.; TOLMACHEV, A. A.; MYKHAILIUK, P. K.; Synthesis 46 (2014) 11, 1487-1492, http://dx.