Cycloheptylamine → HCID 54702861, compound

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This compound was prepared from ethyl 4-hydroxy-2-oxo-7-(phenylmethyl)-1,2-dihydro-1,5-naphthyridine-3-carboxylate and cycloheptylamine employing methods similar to those described in Example 2 and was obtained as a white solid; 1H NMR (d6-DMSO) δ 10.75 (1H, br), 8.23 (1H, s), 7.38 (1H, s), 7.35-7.20 (5H, m), 4.04 (2H, s), 4.00 (1H, m), 1.88-1.34 (12H, m); HRMS calcd for C23H25N3O3+H+: 392.1974. Found: 392.1956.

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