反应详情

This compound was prepared from ethyl 7-[(4-fluorophenyl)methyl]-4-hydroxy-2-oxo-1,2-dihydro-1,5-naphthyridine-3-carboxylate and ethanolamine employing methods similar to those described in Example 2 and was obtained as a white solid: 1H NMR (d6-DMSO) tautomers are observed δ 11.79 (1H, t, J=5.4 Hz), 10.81 (1h, br s), 10.07 (1H, br s), 8.18 (0.61H, s), 8.15 (0.39H, s), 7.35-7.23 (3H, m), 7.14-7.08 (2H, m), 4.73 (1H, br), 3.98 (2H, s), 3.51-3.41 (2H, m), 3.35-3.20 (2H, m); HRMS calcd for C18H16FN3O4+H+: 358.1203. Found 358.1194.

1. customwas obtained as a white solid