2,4-Dichloro-5-fluoropyrimidine → 2-chloro-N4-(2,6-dimethoxypyridin-3-yl)-5-fluoro-4-pyrimidineamine
Reaktionsgleichung
[Cl:1][C:2]1[N:7]=[C:6](Cl)[C:5]([F:9])=[CH:4][N:3]=1.[NH2:10][C:11]1[C:12]([O:19][CH3:20])=[N:13][C:14]([O:17][CH3:18])=[CH:15][CH:16]=1>>[Cl:1][C:2]1[N:7]=[C:6]([NH:10][C:11]2[C:12]([O:19][CH3:20])=[N:13][C:14]([O:17][CH3:18])=[CH:15][CH:16]=2)[C:5]([F:9])=[CH:4][N:3]=1Komponenten
3
Versuchsvorschrift
In like manner to the preparation of 2-chloro-5-fluoro-N4-[3-(1H-tetrazol-5-yl)phenyl]-4-pyrimidineamine the reaction of 2,4-dichloro-5-fluoropyrimidine with 3-amino-2.6-dimethoxypyridine gave 2-chloro-N4-(2,6-dimethoxypyridin-3-yl)-5-fluoro-4-pyrimidineamine. 1H NMR (CDCl3): δ 8.57 (d, 1H, J=8.7 Hz), 8.02 (d, 1H, J=2.7 Hz), 6. 40 (d, 1H, J=8.1 Hz), 4.03 (s, 3H), 3.98 (s, 3H); 19F NMR (CDCl3): −44640; LCMS: purity: 90%; MS (m/e): 285 (M+).
Aufarbeitung
- customIn like manner to the preparation of 2-chloro-5-fluoro-N4-[3-(1H-tetrazol-5-yl)phenyl]-4-pyrimidineamine