Reference of 584-13-4, New Advances in Chemical Research in 2021. The prevalence of solvent effects in heterogeneous catalysis in condensed media has motivated developing quantitative kinetic,A common heterocyclic compound, 584-13-4, name is 4H-1,2,4-Triazol-4-amine, molecular formula is C2H4N4, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, below Introduce a new synthetic route.
Into a mixture of 78.75 mmol of 4-amino-1,2,4-triazole and 50 mmol of monochlorotriterpenoneAdd 150ml of acetonitrile and 50mmol of sodium tert-butoxide, and heat to 60C for 5h. Qualitative analysis, the content of monochlorotrifluoroacetone ?After 1 wt%, the temperature of the system was lowered to room temperature, and solids gradually precipitated. After the solids were completely precipitated, they were suction-filtered and the solids obtained by suction filtration were collected.Rinse with tetrahydrofuran to obtain 3,3-dimethyl-1-(1H-1,2,4-triazolium-1-yl)butan-2-one chloride as a solid sulfonium salt.10.5g, yield 96%;
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Reference:
Patent; Jiangsu Jianpai Agrochemical Co., Ltd.; Liu Zhiyong; Sun Yaquan; Liu Hui; Li Ming; (10 pag.)CN107118167; (2017); A;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics