3,5-diamino-4-(p-tolylazo)pyrazole 、
2-[4-(2,4-dioxopentan-3-yldiazenyl)phenyl]sulfonylguanidine 以
1,4-二氧六环 为溶剂,
反应 7.0h,
以64%的产率得到4-((2-amino-5,7-dimethyl-3-(4-tolyldiazenyl)pyrazolo[1,5-a]pyrimidin-6-yl)diazenyl)-N-(diaminomethylene)benzenesulfonamide