反应详情

The intermediate ethyl ester was synthesized according to the procedure described for the preparation of Example 378, method 2 using 1-chloro-7-hydroxy-5H-benzo[c][1,8]naphthyridin-6-one and N-(4-amino-phenyl)-4-fluoro-2-trifluoromethyl-benzamide to provide 445. LC-MS (M+H=509, obsd.=509). 1H NMR (400 MHz, DMSO-d6): δ, 6.95 (m, 2H), 7.18 (m, 2H), 7.67 (m, 4H), 7.81 (m, 3H), 8.11 (d, 1H), 8.24 (s, 1H), 8.79 (d, 1H), 10.53 (s, 1H).