2-Amino-5-bromobenzenesulfonamide → N-[2-(aminosulfonyl)-4-bromophenyl]-1-benzyl-4-hydroxy-2-oxo-1,2-dihydro-1,8-naphthyridine-3-carboxamide

関与物質

反応手順

The product of Example 84B (0.065 g, 0.20 mmol) was reacted with the product of Example 84A (0.050 g, 0.20 mmol) in toluene (4 mL) at reflux for 3 hours. The reaction was cooled and the resulting precipitate was collected by filtration and dried to give to give the title compound as an off-white solid (0.074 g, 70%). MS (ESI+) m/z 528.9 (M+H)+, 530.9 (M+H)+, 551.1 (M+Na)+, 552.9 (M+Na)+; 1H NMR (300 MHz, DMSO-d6) δ 5.67 (s, 2H), 7.23 (m, 2H), 7.29 (m, 3H), 7.48 (dd, J=8.09, 4.78 Hz, 1H), 7.69 (s, 2H), 7.87 (dd, J=8.82, 2.21 Hz, 1H), 7.97 (m, 1H), 8.01 (d, J=2.21 Hz, 1H), 8.55 (dd, J=7.91, 1.65 Hz, 1H), 8.82 (dd, J=4.60, 1.65 Hz, 1H), 12.44 (s, 1H), 16.45 (s, 1H).

情報源と証拠