Adding a certain compound to certain chemical reactions, such as: 2620-76-0, name is 2-(4-Bromophenyl)-1-phenyl-1H-benzoimidazole, belongs to imidazoles-derivatives compound, 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 2620-76-0, HPLC of Formula: C19H13BrN2
A mixture of compound 1a (1.745 g, 5.0 mmol),(1.91 g, 7.5 mmol) and KOAc (1.47 g, 15.0)Was dissolved in anhydrous 1,4-dioxane (40 mL)After nitrogen replacement,Pd (dppf) Cl2 (0.18 g, 0.25 mmol) was added,Heated to reflux for 3h.After completion of the reaction, the mixture was cooled to room temperature, the mixture was poured into water and extracted with dichloromethane. The organic layer was dried over anhydrous MgSO4 and the solvent was removed by steaming.The final crude product was purified using n-hexane / ethyl acetate (v / v = 1: 3) SiO2 column,A white powdery solid was obtained.Yield: 1.88 g, 95%.
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Reference:
Patent; China University of Mining and Technology; Ni Zhonghai; Zhang Ran; Zhang Lifang; Zhao Yun; (20 pag.)CN106905242; (2017); A;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem