反应详情

3-[(3,4-Dichloro-benzoylamino)-methyl]-4-oxo-1-phenyl-7-trifluoromethyl-1,4-dihydro-[1,8]-naphthyridine-2-carboxylic acid methyl ester was prepared starting from intermediate J and 3,4-dichlorobenzoic acid. 1H NMR (400 MHz, DMSO-d6) δ ppm 8.90 (d, J=8.06 Hz, 1H) 8.80 (t, J=4.63 Hz, 1H) 8.04 (d, J=1.81 Hz, 1H) 7.97 (d, J=8.06 Hz, 1H) 7.67-7.83 (m, 2H) 7.51-7.60 (m, 3H) 7.35-7.47 (m, 2H) 4.44 (d, J=4.83 Hz, 2H) 3.39 (s, 3H). MS calcd. for C25H16Cl2F3N3O4 [(M+H)+] 549.0, obsd. 549.9.