3-碘苯胺 、
对碘苯胺 、
4-amino-6-iodocinnoline-3-carboxamide 、 、 4-Chloro-6-iodo-3-cinnolinecarboxamide 、
6-iodo-4-(isopropylamino)cinnoline-3-carboxamide 、
4-溴苯胺 以to give 6-bromo-4-(isopropylamino)cinnoline-3-carboxamide (16b, 1H NMR (400 MHz, CD3OD) δ: 11.28 (bs, 1H), 8.65 (s, 1H), 8.50 (s, 1H), 8.17-8.15 (m, 1H), 8.09 (s, 1H), 8.02-8.00 (m, 1H), 4.58-4.52 (m, 1H), 1.39 (d, J=6.0 Hz, 6H). MS: 309.1/311.1 m/z (M+H)+)的产率得到6-bromo-4-(isopropylamino)cinnoline-3-carboxamide