N4-Acetylsulfanilamide → 4-(4-Acetylamino-benzenesulfonylamino)-3-hydroxy-4-oxo-but-2-enoic acid (4-fluoro-benzyl)-methoxy-amide

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Reaktionsschritte

2-(2,2-Dimethyl-5-oxo-[1,3]dioxolan-4-ylidene)-N-(4-fluoro-benzyl)-N-methoxy-acetamide was treated with N-(4-sulfamoyl-phenyl)-acetamide as described in the preparation of compound 1 to yield the title compound. 1H NMR (500 MHz, DMSO) δ: 2.07 (s, 3), 3.60 (s, 3), 4.71 (s, 2), 6.26 (s, 1), 6.94 (m, 2), 7.21 (m, 2), 7.72 (m, 2), 7.86 (m, 2).

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