反应详情

0.7 g of N-[4-(trifluoromethyl)phenyl]-2-(5-formyl-2-methoxyphenyl)acetamide and 1.6 g of ethyl 2-phosphonobutanoate were treated in the same manner as in Production Example 1a), to give 0.8 g of ethyl 2-ethyl-3-(4-methoxy-3-{2-oxo-2-[4-(trifluoromethyl)anilino]ethyl}phenyl)-2-propenoate as a colorless oil.