Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 1260243-04-6, name is Ethyl 5-amino-1H-pyrazole-4-carboxylate, This compound has unique chemical properties. The synthetic route is as follows., Computed Properties of C6H9N3O2
3) Synthesis of ethyl 5- (4-fluorophenyl) -7-trifluoromethylpyrazolo [1,5-a] pyrimidine-3.1) The ethyl 5-amino-1H-pyrazole-4-carboxylate obtained in step 1) (15.5 g, 0.1 mol) and step 2)The obtained 1-p-fluorophenyl-4,4,4-trifluorobutanedione (23.4 g, 0.1 mol) was placed in a container;3.2) After dissolving the mixture in the vessel with 50 mL of glacial acetic acid, a mixture E1 is obtained,The container is placed under electric heating conditions, heated to 115 ;3.3) The mixture E1 was heated to reflux, after 7 hours, cooled and allowed to stand, yellow-green needle-like solid precipitated; the solidAfter filtration, washing and drying, ethyl 5- (4-fluorophenyl) -7-trifluoromethylpyrazolo [1,5-a] pyrimidine-3-carboxylate was obtained; For cold glacial acetic acid.The product obtained5- (4-fluorophenyl) -7-trifluoromethylpyrazolo [1,5-a] pyrimidine-3-The quality of ethyl carboxylate is27.05g.Yield: 76.63%.
According to the analysis of related databases, 1260243-04-6, the application of this compound in the production field has become more and more popular.