5-Substituted-8-alkoxy[1,2,4]triazolo[1,5-c]pyrimidin-2-amines are manufactured from 4-amino-2,5-dialkoxypyrimidines in an improved process in which the generation of gaseous by-products is controlled by the continuous addition of hydroxylamine as a free base.
5-取代-8-烷氧基[1,2,4]三唑并[1,5-c]
嘧啶-2-胺是从4-
氨基-2,5-二烷氧基
嘧啶中制造的,改进的工艺中,通过持续添加游离态
羟胺来控制气态副产物的生成。