Ethanolamine → 1-(4-fluorophenyl)-7-[(4-fluorophenyl)methyl]-4-hydroxy-N-(2-hydroxyethyl)-2-oxo-1,5-naphthyridine-3-carboxamide

Participants

Reaction Steps

In a similar manner to that described in example 196, from ethyl 1-(4-fluorophenyl)-7-[(4-fluorophenyl)methyl]-4-hydroxy-2-oxo-1,2-dihydro-1,5-naphthyridine-3-carboxylate (26 mg, 0.0596 mmol) and 2-aminoethanol (0.05 mL), was prepared 1-(4-fluorophenyl)-7-[(4-fluorophenyl)methyl]-4-hydroxy-N-(2-hydroxyethyl)-2-oxo-1,2-dihydro-1,5-naphthyridine-3-carboxamide (24 mg, 87% yield) as a white solid. 1H NMR (CDCl3) δ 10.14 (s, 1 H), 8.50 (s, 1 H), 7.29-7.24 (m, 2 H), 7.20-7.16 (m, 2 H), 7.01-6.90 (m, 5 H), 6.71 (s, 1 H), 3.93 (s, 2 H), 3.76-3.73 (m, 2 H), 3.59-3.73 (m, 2 H); HRMS m/z calcd for C24H20F2N3O4: 452.1422. Found: 452.1424.

Provenance & Evidence