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 120315-65-3 as follows. Formula: C8H6BrNO
Intermediate S: 3-Methoxy-4-(4,4,5,5-tetramethyl-ri ,3,21dioxaborolan-2ylbenzonitrile 4-Bromo-3-methoxy-benzonitrile (300 mg, 1.4 mmol) was dissolved in dioxane (2.5 mL) and the solution was flushed with argon. Bis-pinacolatodiboron (719 mg, 2.8mmol), Pd(dppf)CI2 (58 mg, 0.07 mmol) and KOAc (417 mg, 4.2 mmol) were added and the reaction mixture was heated to 100 C and stirred at this temperature for 19 h. It was then allowed to cool to rt and diluted with EtOAc. The organic phase was washed with brine, dried (Na2S04) and concentrated. The residual crude product was purified by flash chromatography (25g silica gel cartridge, hexanes/EtOAc, 100:0? 60:40) to give the title compound as a white solid; H-NMR (DMSO-c 6, 400 MHz) delta ppm 7.68 (d, 1 H), 7.42 (s, 1 H), 7.39 (d, 1 H), 3.82 (s, 3H), 1.32 (s, 12H).
According to the analysis of related databases, 120315-65-3, the application of this compound in the production field has become more and more popular.
Reference:
Patent; NOVARTIS AG; FURET, Pascal; GUAGNANO, Vito; HOLZER, Philipp; KALLEN, Joerg; LIAO, Lv; MAH, Robert; MAO, Liang; MASUYA, Keiichi; SCHLAPBACH, Achim; STUTZ, Stefan; VAUPEL, Andrea; WO2013/111105; (2013); A1;,
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