反应详情

The procedure of Example 16-i) was repeated using 1,3-phenylene diacetic acid monoethyl ester (2.87 g, 10.5 mmol) and 2-amino-5,6-difluorothiophenol (2.0 g, 11.7 mmol) to obtain ethyl 3-[(6,7-difluorobenzothiazol-2-yl)methyl]phenylacetate (1.89 g, 44%) as a pale yellow oil.