Adding a certain compound to certain chemical reactions, such as: 4857-06-1, name is 2-Chloro-1H-benzo[d]imidazole, 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 4857-06-1, Computed Properties of C7H5ClN2
Step3: Under nitrogen protection,Add to the reaction vessel2-chlorobenzimidazole (1.41 g, 9.2 mmol),Phenylboronic acid (1.02 g, 8.4 mmol),Tetrakistriphenylphosphine palladium (0.09g, 0.08mmol),Potassium carbonate (3.48g, 25.2mmol),Toluene 60mL,20mL of ethanol and 20mL of distilled water,Stir at 120 ° C for 3 h.After the reaction is over, the distilled water stops the reaction.Extracted with ethyl acetate,The organic layer was dried over MgSO 4The solvent was removed by distillation under reduced pressure.After purification by silica gel column chromatography, Intermediate 77-3 (1.22 g, 75percent).
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Reference:
Patent; Changchun Hai Purunsi Technology Co., Ltd.; Dong Xiuqin; Cai Hui; (34 pag.)CN108822041; (2018); A;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem