反应详情

The reaction and post-treatment were carried out according to Example (1f) using methyl 3-[(6-hydroxy-1-methyl-1H-benzimidazol-2-yl)methoxy]benzoate produced in Example (1e) (2.50 g, 8.00 mmol), 3,5-dibromo-2-fluoropyridine (2.24 g, 8.81 mmol), copper iodide (0.15 g, 0.80 mmol), 1,10-phenanthroline (0.14 g, 0.80 mmol), cesium carbonate (7.82 g, 24.0 mmol) and DMF (40 mL) to obtain the title compound (3.24 g, 74%) as a white solid.

1. customThe reaction