Potassium Carbonate → HCID 11221175, compound

Participants

Reaction Steps

4-{2-Fluoro-4-[(trimethylsilyl)ethynyl]anilino}-N-(3-hydroxypropyl)-6-oxo-1,6-dihydro-3-pyridinecarboxamide was reacted with K2CO3 in MeOH/THF as for example 12, step B. The resulting crude product was purified by column chromatography on silica gel (10% MeOH/CH2Cl2 as eluant) to give 4-(4-ethynyl-2-fluoroanilino)-N-(3-hydroxypropyl)-6-oxo-1,6-dihydro-3-pyridinecarboxamide as a pale yellow solid (68%), m.p. (EtOAc/MeOH) 249-252° C. 1H NMR [(CD3)2SO, 400 MHz] δ 11.42 (br s, 1H), 10.44 (s, 1H), 8.46 (s, 1H), 7.93 (s, 1H), 7.49 (t, J=8.5 Hz, 1H), 7.45 (dd, J=11.4, 1.9 Hz, 1H), 7.33 (dd, J=8.3, 1.3 Hz, 1H), 5.63 (s, 1H), 4.43 (t, J=5.2 Hz, 1H), 4.23 (s, 1H), 3.46 (q, J=5.9 Hz, 2H), 3.31-3.22 (m, 2H), 1.66 (pentet, J=6.7 Hz, 2H). Anal. Calcd for C17H16FN3O3: C, 62.0; H, 4.9; N, 12.8. Found: C, 62.0; H, 5.2; N, 12.8.

Provenance & Evidence