反应详情

[step 1] 2-(2-Ethyl-4,6-dimethylbenzimidazol-1-yl)methyl-10,11-dihydro-5H-dibenzo[b,f]azepine (422 mg, 75%) was obtained in the same manner as in step 1 of Example 1, using 2-ethyl-4,6-dimethylbenzimidazole (256 mg, 1.47 mmol), obtained in Reference Example 1, instead of 2-ethyl-5,7-dimethyl-3H-imidazo[4,5-b]pyridine.