反应详情

Using the same method as in Example 1-(ii), 3-(thiophen-2-yl)aniline was reacted with the (2-([4-chloro-2-(methoxycarbonyl)phenyl]amino)-2-oxoethoxy)acetic acid obtained in Example 1-(i) to give 5-chloro-2-([(2-oxo-2-([3-(thiophen-2-yl)phenyl]amino)ethoxy)acetyl]amino)benzoic acid.methyl ester (yield: 69%).