作者:A. V. Gulevskaya、D. V. Besedin、A. F. Pozharskii
DOI:10.1007/bf02496020
日期:1999.6
Abstract6,8-Dimethylpyrimido[4,5-c]pyridazine-5,7(6H,8H)-dione reacts with ammonia or primary amines in the presence of an oxidant to give the corresponding 4-amino derivatives. Reactions with secondary amines (dimethylamine, piperidine, or morpholine) proceed with difficulty, resulting in 3-amino derivatives.
摘要 6,8-二甲基嘧啶并[4,5-c]哒嗪-5,7(6H,8H)-二酮在氧化剂存在下与氨或伯胺反应生成相应的4-氨基衍生物。与仲胺(二甲胺、哌啶或吗啉)的反应很难进行,产生 3-氨基衍生物。