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. 930-36-9, name is 1-Methylpyrazole, This compound has unique chemical properties. The synthetic route is as follows., Quality Control of 1-Methylpyrazole
N-methylpyrazole (16.4 g, 200 mmol) and acetic anhydride (38 mL, 400 mmol) were added to the reaction flask.Concentrated sulfuric acid (1 mL, 20 mmol) was added dropwise with stirring, and then reacted under a nitrogen atmosphere at 140 C for 12 h.After the reaction is completed, the system is poured into ice water, extracted with dichloromethane, dried over anhydrous sodium sulfate, and the solvent is removed for column chromatography.(Eluent: Petroleum ether / EtOAc (v/v) = 3/1) afforded 17.7 g of product as a yellow oil. Yield: 71%.
According to the analysis of related databases, 930-36-9, the application of this compound in the production field has become more and more popular.