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. 151521-49-2, name is 4-Isopropyl-1H-pyrazol-5-amine, This compound has unique chemical properties. The synthetic route is as follows., name: 4-Isopropyl-1H-pyrazol-5-amine
A mixture of methyl 3-(5-bromo-3-pyridyl)-3-oxo-propanoate (300 mg, 813.74 mupiiotaomicron, 1 eq) and 4-isopropyl-lH-pyrazol-5-amine (122.23 mg, 976.49 mupiiotaomicron, 1.2 eq) in AcOH (10 mL) was stirred at 120 C for 0.5 h. The mixture was concentrated under reduced pressure to give 5-(5-bromo-3- pyridyl)-3-isopropyl-pyrazolo[l,5-a]pyrimidin-7-ol (450 mg, crude) as brown oil which was used in next step without further purification. NMR (400 MHz, CDCl3) S ppm 8.99-8.88 (m, 1H), 8.74-8.73 (m, 1H), 8.39-8.37 (m, 2H), 7.79 (s, 1H), 3.21-3.20 (m, 1H), 1.39-1.33 (m, 6H); ES- LCMS m/z 333.0, 335.0 [M+H].
According to the analysis of related databases, 151521-49-2, the application of this compound in the production field has become more and more popular.