Reaktionsgleichung
[Br:1][C:2]1[C:3](Cl)=[N+:4]([O-:9])[C:5]([CH3:8])=[CH:6][CH:7]=1.[CH3:11][O-:12].[Na+].CO>>[Br:1][C:2]1[C:3]([O:12][CH3:11])=[N+:4]([O-:9])[C:5]([CH3:8])=[CH:6][CH:7]=1Komponenten
3
Versuchsvorschrift
step b—A solution of 52a (0.5 g) and 0.5 M NaOMe/MeOH (4.9 mL) was stirred at RT overnight. The reaction mixture was concentrated in vacuo and the residue loaded on a SiO2 column and eluted with 5% MeOH/DCM to afford 3-bromo-2-methoxy-6-methyl-pyridine 1-oxide (52b).
Aufarbeitung
- concentrationThe reaction mixture was concentrated in vacuo
- washeluted with 5% MeOH/DCM
Quellen und Nachweise
- ORD-Eintrag
- ord-f15a14dd19e84090bd4768590ff4b7f6
- Quelldatensatz
- uspto-grants-2011_11
- Patentnummer
- US08063072B2
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