C. Ochoa et J. Rodriguez, A NEW-TYPE OF REACTION BETWEEN O-PHENYLENEDIAMINES AND AROMATIC-ALDEHYDES TO GIVE 2,3-DIARYLQUINOXALINES, Journal of heterocyclic chemistry, 34(3), 1997, pp. 1053-1055
A new type of reaction between o-phenylenediamines and aryl aldehydes
at high temperature is reported. The synthesis of 2,3-diarylquinoxalin
es by this procedure is described.