Sources of common compounds: 5-Bromopyrazolo[1,5-a]pyridine

At the same time, in my other blogs, there are other synthetic methods of this type of compound,1060812-84-1, 5-Bromopyrazolo[1,5-a]pyridine, and friends who are interested can also refer to it.

Adding a certain compound to certain chemical reactions, such as: 1060812-84-1, 5-Bromopyrazolo[1,5-a]pyridine, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound, COA of Formula: C7H5BrN2, blongs to pyridine-derivatives compound. COA of Formula: C7H5BrN2

200 mg of compound 21 was suspended in 1 ml of sulfuric acid,Cool to 0 C. A 0.5 ml sulfuric acid / 0.5 ml nitric acid mixture was added dropwise, and the mixture was stirred at 0 C for 30 minutes. TLC detection,After the reaction, pour into ice water and stir for 10 minutes.160 mg of white solid was obtained by suction filtration.Used directly in the next reaction.

At the same time, in my other blogs, there are other synthetic methods of this type of compound,1060812-84-1, 5-Bromopyrazolo[1,5-a]pyridine, and friends who are interested can also refer to it.

Reference:
Patent; Beijing Fulong Kangtai Biological Co., Ltd.; Ji Qi; Gao Congmin; Wang Lei; Gong Longlong; Chen Bo; Du Zhenjian; (21 pag.)CN110857304; (2020); A;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem