141573-95-7, A common compound: 141573-95-7, name is Ethyl 3-(difluoromethyl)-1-methyl-1H-pyrazole-4-carboxylate, belongs to pyrazoles-derivatives compound, it can change the direction of chemical reaction, and react with certain compounds to generate new functional products. A new synthetic method of this compound is introduced below.
The alkali solution was warmed to 55 C, was added dropwise to the organic layer obtained in step c, the reaction 1h; then recovered the organic solvent, the aqueous layer was retained, the aqueous layer acidified at a temperature of 80 25min, natural cooling To 30 , then water-cooled to 15 , incubated for 30min, filtered and dried to obtain finished DFPA.
In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles, Ethyl 3-(difluoromethyl)-1-methyl-1H-pyrazole-4-carboxylate, other downstream synthetic routes, hurry up and to see.