Phosphorus oxychloride → 4-Chloro-7-methoxy-6-(3-(methylsulfonyl)propoxy)quinazoline
Reaktionsgleichung
O[C:2]1[C:11]2[C:6](=[CH:7][C:8]([O:20][CH3:21])=[C:9]([O:12][CH2:13][CH2:14][CH2:15][S:16]([CH3:19])(=[O:18])=[O:17])[CH:10]=2)[N:5]=[CH:4][N:3]=1.O=P(Cl)(Cl)[Cl:24]>>[Cl:24][C:2]1[C:11]2[C:6](=[CH:7][C:8]([O:20][CH3:21])=[C:9]([O:12][CH2:13][CH2:14][CH2:15][S:16]([CH3:19])(=[O:18])=[O:17])[CH:10]=2)[N:5]=[CH:4][N:3]=1Komponenten
3
Versuchsvorschrift
The intermediate 4-hydroxy-7-methoxy-6-(3-(methylsulfonyl)propoxy)quinazoline (700 mg, 2.24 mmol) from the previous step was reacted with POCl3 in the manner described in Example 4A Step 2 to give 4-chloro-7-methoxy-6-(3-(methylsulfonyl)propoxy)quinazoline (480 mg, 1.45 mmol, 65%). LC-MS (ESI) m/z 331 (M+H)+.
Quellen und Nachweise
- ORD-Eintrag
- ord-f3c5a096087e4c2da73ba886066e13eb
- Quelldatensatz
- uspto-grants-2015_03
- Patentnummer
- US08969587B2
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