反应详情

Add hydrogen peroxide (7.69 mL, 89.8 mmol) to a stirred mixture of 2-methoxy-6-methyl-5-pyridylboronic acid (5.0 g, 30 mmol) in dichloromethane (100 mL) kept under nitrogen at room temperature. Stir overnight at ambient temperature, add water and extract the mixture with dichloromethane. Combine the organic phases, dry (MgSO4), filter and concentrate to afford 2.6 g (62%) of the title compound. MS (m/z)=140 [M+1]

1. customkept under nitrogen at room temperature
2. extractionextract the mixture with dichloromethane
3. dry with materialdry (MgSO4)
4. filtrationfilter
5. concentrationconcentrate