反应详情

The same operation as in Example (1c) was performed using ethyl 5-ethyl-1H-imidazole-2-carboxylate obtained by the method described in Example (lb) (0.29 g, 1.30 mmol) and NBS (0.28 g, 1.28 mmol), to obtain 0.22 g of the title compound as a white solid (69%).

1. customobtained by the method