Synthetic Route of 877131-92-5, In the chemical reaction process, reaction time, type of solvent, can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product. An updated downstream synthesis route of 877131-92-5 as follows.
Add hydrochloric acid (2 mL, 12M) to a solution of 2-[ 4-bromo-2(trifluoromethyl)phenyl]acetonitrile (600 mg, 2.25 mmol) in acetic acid (2 mL), the mixture is stirred at 100 C for 2 h under nitrogen. The reaction mixture is concentrated to afford title 5 compound (600 mg, 89.5%) as colorless oil. 1H NMR (400MHz, CD3Cl) () = 7.82 (d, J = 1.6 Hz, 1H), 7.67 (dd, J = 1.6, 8.4 Hz, 1H), 7.29 (s, 1H), 3.83 (s, 2H).
According to the analysis of related databases, 877131-92-5, the application of this compound in the production field has become more and more popular.
Reference:
Patent; ELI LILLY AND COMPANY; LILLY CHINA RESEARCH AND DEVELOPMENT CO., LTD.; MA, Tianwei; WU, Liang; ZHANG, Xuejun; (109 pag.)WO2019/41340; (2019); A1;,
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