Synthetic Route of 2033-45-6, In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact. 2033-45-6, name is 3,5-Dimethyl-4-iodopyrazole belongs to pyrazoles-derivatives compound, it is a common compound, a new synthetic route is introduced below.
To a solution of 79 (3OOg, 135 immol) in 100 mL of degassed TI-IF was added successively Cul(257mg, i.35mmoi), 2 (2.65g, 27O2mmoi), Pd(PPh3)2C12 (948mg, i.35mmol) and Et3N (410g.40.54rnmol). The mixture was stirred at 80 C for 18 hours. LCM showed that the reaction was completed. The reaction mixture was filtered and the filtrate was concentrated and purified by chrornatograph column to give the product 80 (2.2 g, yield 85%).LCMS: in/z 193 (M+H)t
In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles, 3,5-Dimethyl-4-iodopyrazole, other downstream synthetic routes, hurry up and to see.
Reference:
Patent; HUA MEDICINE (SHANGHAI) LTD.; CHEN, Li; JIN, Xiaowei; (176 pag.)WO2017/117708; (2017); A1;,
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics