3-, 5-, 6-, 7- and 8-Nitroquinolines react with 4-amino-1,2,4-triazole in basic medium (potassium tert-butoxide-dimethyl sulfoxide) giving amino products of the vicarious nucleophilic substitution (VNS) of hydrogen, predominantly at ortho position to the nitro group, except 8-nitroquinoline, which reacts at para position. Additionally, furazano[3,4-f]- and furazano[3,4-h]quinoline were obtained in the case of 5- and 8- nitroquinoline, respectively. 2-Nitroquinoline was aminated to 2-quinolino(1,2,4-triazol-4-yl)amine in these conditions.Key words: nitroquinolines, vicarious nucleophilic substitution (VNS), 4-amino-1,2,4-triazole.
3-、5-、6-、7-和 8-硝基喹啉与 4-氨基-1,2,4-三唑在碱性介质(叔丁醇钾-二甲亚砜)中发生反应,产生氢的代亲核取代(VNS)氨基产物,主要位于硝基的正位,但 8-硝基喹啉除外,它在对位发生反应。此外,5-硝基喹啉和 8-硝基喹啉分别得到了呋喃并[3,4-f]-喹啉和呋喃并[3,4-h]喹啉。在这些条件下,2-硝基喹啉被胺化为 2-氨基喹啉(1,2,4-三唑-4-基)胺。