反应详情

The same operation as in Example (91c) was performed using 4-chloro-5-ethyl-1H-imidazole-2-carboxylic acid (0.17 g, 1 mmol), thionyl chloride (5 mL), methyl 2-(4-aminophenyl)-5-methyl-1,3-oxazole-4-carboxylate obtained in Example (97d) (0.15 g, 0.65 mmol) and pyridine (5 mL), to obtain 0.14 g of the title compound as a light pink solid (56%).