3-(Benzyloxy)-9,9-dimethyl-4-oxo-4,6,7,9-tetrahydropyrimido[2,1-c][1,4]oxazine-2-carboxylic acid → HCID 21070028, compound

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Reaction Steps

The title compound can be prepared from intermediate 27, 3-(benzyloxy)-9,9-dimethyl-4-oxo-4,6,7,9-tetrahydropyrimido-[2,1-c][1,4]oxazine-2-carboxylic acid and N-(2-(aminomethyl)-5-fluorophenyl)thiazol-2-amine, derived from reduction of intermediate 123, 4-fluoro-2-(thiazol-2-ylamino)benzonitrile. 1H NMR (400 MHz, DMSO-d6) δ ppm: 9.92 (1H, s), 9.10 (1H, t, J=6.3 Hz), 8.19 (1H, dd, J=2.8, 12.3 Hz), 7.41–7.38 (2H, m), 7.32–7.28 (5H, m), 6.99 (1H, d, J=3.8 Hz), 6.71 (1H, ddd(dt), J=2.8, 8.3), 5.05 (2H, s), 4.45 (2H, d, J=6.3 Hz), 4.01–3.98 (2H, m), 3.88–3.85 (2H, m), 1.54 (6H, s) LCMS (+ESI, M+H+) m/z 536.

Provenance & Evidence