4-(1H-imidazol-2-yl)benzoic Acid → 3-{[4-(1H-Imidazol-2-yl)-benzoylamino]-methyl}-4-oxo-1-phenyl-7-trifluoromethyl-1,4-dihydro-[1,8]naphthyridine-2-carboxylic acid methyl ester

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3-{[4-(1H-Imidazol-2-yl)-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 4-(1H-imidazol-2-yl)-benzoic acid. 1H NMR (DMSO-d6) δ ppm 8.90 (d, J=8.1 Hz, 1H) 8.77 (t, J=4.6 Hz, 1H) 7.91-8.00 (m, 3H) 7.83-7.89 (m, 2H) 7.52-7.59 (m, 3H) 7.47 (s, 2H) 7.43 (dd, J=6.7, 2.7 Hz, 2H) 4.46 (d, J=4.8 Hz, 2H) 3.40 (s, 3H). MS calcd. for C28H20F3N5O4 [(M+H)+] 548.1, obsd. 548.1.

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