反应详情

To (5-bromo-6-methoxy-pyridin-3-yl)-methanol (2.86 g, 13.1 mmol) in DME (30 mL) was added phosphorus tribromide (1.9 mL, 19.7 mmol), and the reaction was stirred for 15 minutes. The mixture was worked up with EtOAc and saturated aqueous NaHCO3, and the combined organic layers were dried over MgSO4, filtered, and concentrated to give 3-bromo-5-bromomethyl-2-methoxy-pyridine.

1. dry with materialthe combined organic layers were dried over MgSO4
2. filtrationfiltered
3. concentrationconcentrated