3-(Benzyloxy)-9,9-dimethyl-4-oxo-4,6,7,9-tetrahydropyrimido[2,1-c][1,4]oxazine-2-carboxylic acid → HCID 21070016, compound

HRID 348198Notes

Reaction equation

HRID 348198 reaction equation
[CH2:1]([O:8][C:9]1[C:18](=[O:19])[N:17]2[C:12]([C:13]([CH3:21])([CH3:20])[O:14][CH2:15][CH2:16]2)=[N:11][C:10]=1[C:22](O)=[O:23])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[F:25][C:26]1[CH:31]=[CH:30][C:29]([CH2:32][NH2:33])=[C:28]([C:34]2[O:35][C:36]([CH3:39])=[CH:37][N:38]=2)[CH:27]=1>>[F:25][C:26]1[CH:31]=[CH:30][C:29]([CH2:32][NH:33][C:22]([C:10]2[N:11]=[C:12]3[N:17]([C:18](=[O:19])[C:9]=2[O:8][CH2:1][C:2]2[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=2)[CH2:16][CH2:15][O:14][C:13]3([CH3:20])[CH3:21])=[O:23])=[C:28]([C:34]2[O:35][C:36]([CH3:39])=[CH:37][N:38]=2)[CH:27]=1

Participants

3

Reactant 2

HCID 210698583-(Benzyloxy)-9,9-dimethyl-4-oxo-4,6,7,9-tetrahydropyrimido[2,1-c][1,4]oxazine-2-carboxylic acidHCID 21069909HCID 21069909, compound

Product 1

HCID 21070016HCID 21070016, compound

Procedure

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 (4-fluoro-2-(5-methyloxazol-2-yl)phenyl)methanamine. White crystals; mp 186° C. (ethyl acetate-hexane). 1HNMR 400 MHz (CDCl3) δ (ppm): 1.61 (6H, s, 2×CH3), 2.43 (3H, s, CH3), 4.02 (4H, m, 2×CH2), 4.80 (2H, d, J=6.3 Hz, NCH2), 5.25 (2H, s, OCH2), 6.82 (1H, s, CH), 7.11 (1H, m, aromatic), 7.29–7.34 (3H, m, aromatics), 7.52 (2H, m, aromatics), 7.65 (1H, dd, J=2.5 Hz and J=9.6 Hz, aromatic), 7.69 (1H, dd, J=6.1 Hz and J=8.6 Hz, aromatic), 9.32 (1H, broad t, NH). HRMS (ESI+) calculated for C28H28FN4O5 [M+H+]: 519.2044. Found: 519.2024.

Sources & evidence

ORD record
ord-ac8090c0b9bc416187057c0993cbd99e
Source dataset
uspto-grants-2007_02
Patent number
US07176196B2

Reaction notes

Loading…