3-(Benzyloxy)-9,9-dimethyl-4-oxo-4,6,7,9-tetrahydropyrimido[2,1-c][1,4]oxazine-2-carboxylic acid → HCID 21070009, 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 intermediate 85, (4-fluoro-2-(3-methyl-1H-1,2,4-triazol-1-yl)phenyl)methanamine. White crystals; mp 203° C. (ethyl acetate). 1HNMR 400 MHz (CDCl3) δ (ppm): 1.65 (6H, s, 2×CH3), 2.50 (3H, s, CH3), 4.03 (4H, m, 2×CH2), 4.46 (2H, d, J=6.6 Hz, NCH2), 5.31 (2H, s, OCH2), 7.06 (1H, dd, J=3 Hz and J=8.6 Hz, aromatic), 7.16 (1H, m, aromatic), 7.30-7.34 (3H, m, aromatics), 7.50 (2H, m, aromatics), 7.74 (1H, dd, J=6.0 Hz and J=8.6 Hz, aromatic), 8.28 (1H, s, CH), 8.45 (1H, broad t, NH). Anal. Calcd for C27H27FN6O4: C, 62.54; H, 5.25; N, 16.21. Found: C, 62.48; H, 5.31; N, 16.29.

Provenance & Evidence