反应详情

Using the same method as in Example 15-(i), N-ethyl-5-(furan-3-yl)-2-methylaniline was reacted with the 5-([4-chloro-2-(methoxycarbonyl)phenyl]amino)-5-oxopentanoic acid obtained in Example 31-(i) to give 5-chloro-2-[(5-(ethyl[5-(furan-3-yl)-2-methylphenyl]amino)-5-oxopentanoyl)amino]benzoic acid.methyl ester (yield: 58%).