Reference of 92534-69-5, As we all know, there are many different methods for the synthesis of a compound, and people can choose the synthesis method that suits their own laboratory according to the actual situation. 92534-69-5 name is 1-Methyl-4-nitro-1H-pyrazole-5-carboxylic acid, This compound is widely used in many fields, so it is necessary to find a new synthetic route. The downstream synthesis method of this compound is introduced below.
A solution of 1-methyl-4-nitro-1H-pyrazole-5-carboxylic acid (1.03 g, 6 mmol), EtBr (3 mL) and K2CO3 (1.66 g, 12 mmol) in DMF (30 mL) was stirred for 1 hour at 60 oC. Then it was poured into water and extracted with EA(3x) to give desired compound as a light yellow solid. (995 mg, 83 %). ESI-MS m/z: 200.2 [M+H]+.
At the same time, in my other blogs, there are other synthetic methods of this type of compound, 1-Methyl-4-nitro-1H-pyrazole-5-carboxylic acid, and friends who are interested can also refer to it.