5-Bromo-2,4-dimethoxybenzaldehyde → 5-(2,4-Dimethoxy-pyrimidin-5-yl)-2,4-dimethoxy-benzaldehyde
Reaktionsgleichung
Br[C:2]1[C:3]([O:12][CH3:13])=[CH:4][C:5]([O:10][CH3:11])=[C:6]([CH:9]=1)[CH:7]=[O:8].[CH3:14][O:15][C:16]1[N:21]=[C:20]([O:22][CH3:23])[C:19](B(O)O)=[CH:18][N:17]=1>>[CH3:14][O:15][C:16]1[N:21]=[C:20]([O:22][CH3:23])[C:19]([C:2]2[C:3]([O:12][CH3:13])=[CH:4][C:5]([O:10][CH3:11])=[C:6]([CH:9]=2)[CH:7]=[O:8])=[CH:18][N:17]=1Komponenten
3
Versuchsvorschrift
Ex-38A: 5-(2,4-Dimethoxy-pyrimidin-5-yl)-2,4-dimethoxy-benzaldehyde was prepared from 5-bromo-2,4-dimethoxybenzaldehyde and 2,4-Dimethoxy-pyrimidin-5-boronic acid in a similar manner as described in Ex-3A, 75% yield. 1H-NMR (CDCl3) δ 10.34 (s, 1H), 8.13 (s, 1H), 7.74 (s, 1H), 6.51 (s, 1H), 4.03 (s, 3H), 3.99 (s, 3H), 3.95 (s, 3H), 3.88 (s, 3H).
Quellen und Nachweise
- ORD-Eintrag
- ord-3b767cccb57e4c6ca1546950b1883579
- Quelldatensatz
- uspto-grants-2006_08