An easily effected aromatic annulation is described, involving the reaction of arylimidoyl radicals with diethyl azodicarboxylate to give 1,2-dihydro-1,2-dihydro-1,2-diethoxycarbonyl-benzo- and -pyrido-1,2,4-triazines.
描述了一种易于实现的芳族环化反应,涉及芳基
酰亚胺基与偶氮二
羧酸二
乙酯的反应,生成1,2-二氢-1,2-二氢-1,2-二乙氧基羰基-苯并-和
吡啶-
1,2,4-三嗪。