[Br:1][C:2]1[C:3]([O:10][CH3:11])=[N:4][CH:5]=[C:6]([CH2:8][Br:9])[CH:7]=1.[Br:12]N1C(=O)CCC1=O.N(C(C)(C)C#N)=NC(C)(C)C#N>C1C=CC=CC=1.O>[Br:1][C:2]1[C:3]([O:10][CH3:11])=[N:4][CH:5]=[C:6]([CH:8]([Br:12])[Br:9])[CH:7]=13-Bromo-5-bromomethyl-2-methoxy-pyridine (6.03 g, 21.5 mmol), N-bromosuccinimide (4.09 g, 23.0 mmol), and azobisisobutyronitrile (one scoop) were combined in benzene (40 mL) and stirred at 80° C. for 4 hours. After cooling, the mixture was diluted with H2O and extracted with EtOAc. The combined organic layers were dried over MgSO4, filtered, and concentrated to give 3-Bromo-5-dibromomethyl-2-methoxy-pyridine.
Wird geladen…
