反应详情

[step 1] (E)-2-[3-(2-Ethyl-5,7-dimethyl-3H-imidazo[4,5-b]pyridin-3-yl)methyl-6,11-dihydrodibenzo[b,e]oxepin-11-ylidene]propiononitrile (168 mg, 27%) was obtained in the same manner as in step 1 of Example 104, using (E)-2-(3-hydroxymethyl-6,11-dihydrodibenzo[b,e]oxepin-11-ylidene)propiononitrile (264 mg, 0.952 mmol) obtained in Reference Example 30 and 2-ethyl-5,7-dimethyl-3H-imidazo[4,5-b]pyridine (250 mg, 1.43 mmol).