Article révisé par les pairs
Résumé : 5‐Chloro‐6‐nitroquinoxaline 2, made in six steps from 2,3‐dichloronitro‐benzene, reacts 1) with piperidine to give 6‐nitro‐5‐piperidinoquinoxaline as the only product; 2) with methoxide to give a 95:5 ratio of 5‐methoxy‐6‐nitro‐ and 5‐chloro‐6‐methoxy‐quinoxaline; 3) with p‐thiocresolate to give the disubstitution product without showing any monosubstitution product. Copyright © 1992 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim