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. 3920-50-1, name is Pyrazole-3-carboxaldehyde, This compound has unique chemical properties. The synthetic route is as follows., Computed Properties of C4H4N2O
To a 100 ml three-necked flask, 1.25 g (18 mmol) of hydroxylamine hydrochloride, 1.47 g (18 mmol) of sodium acetate and 40 ml of ethanol were added, and 0.96 g (10 mmol) of 3-formalpyrazole was added thereto with stirring, and the mixture was heated to 50 C for 2 h. After completion of the reaction, a milky white turbid liquid was obtained, which was cooled to room temperature, filtered, and the filtrate was evaporated to give an oily viscous solid, which was dissolved in 50 ml of water.Extract 50 times with 50 ml of ethyl acetate.The organic phase was dried over anhydrous sodium sulfate and filtered.The filtrate was evaporated to dryness to a pale yellow viscous solid, 0.96 g.The yield was 86.8%.
According to the analysis of related databases, 3920-50-1, the application of this compound in the production field has become more and more popular.