An improved method for synthesis of5-nitroso-2,4,6-triaminopyrimidine by using dimethyl sulfoxide and xylene as mixed solvents for azeotropic dewatering was developed.

• 研究了一种合成5-亚硝基-2，4，6-三氨基嘧啶的改进方法，该法采用二甲基亚砜和二甲苯作为混合溶剂共沸脱水，克服了单一极性溶剂脱水困难的缺点。