2,6-Dibromopyridine → 2-Bromo-6-[(oxolan-3-yl)oxy]pyridine
Reaction equation
[OH:1][C@H:2]1[CH2:6][CH2:5][O:4][CH2:3]1.[H-].[Na+].[Br:9][C:10]1[CH:15]=[CH:14][CH:13]=[C:12](Br)[N:11]=1>C1COCC1>[Br:9][C:10]1[CH:15]=[CH:14][CH:13]=[C:12]([O:1][CH:2]2[CH2:6][CH2:5][O:4][CH2:3]2)[N:11]=1Participants
5
Reactant 3
Product 1
Reagents, catalysts & solvents 1
Procedure
To a solution of (S)-(+)-3-hydroxy-tetrahydrofuran (0.34 mL, 4.2 mmol) and dry THF (20 mL) was added NaH (0.17 g, 4.2 mmol, 60%) under N2 at RT. After 5 min, added 2,6-dibromopyridine. Stirred at RT for 4 h. Quenched with H2O and extracted with EtOAc. Washed organic layer with saturated NH4Cl, brine, dried (MgSO4) and concentrated in vacuo to give 2-bromo-6-(tetrahydro-furan-3-yloxy)-pyridine as a clear, colorless oil. MS m/z: 245.2 (M+H). Calc'd for C9H10BrNO2-244.09.
Workup
- customQuenched with H2O
- extractionextracted with EtOAc
- dry with materialWashed organic layer with saturated NH4Cl, brine, dried (MgSO4)
- concentrationconcentrated in vacuo
Sources & evidence
- ORD record
- ord-db13b12650454b8280035d35ac0dbbb4
- Source dataset
- uspto-grants-2007_03
- Patent number
- US07196104B2
Reaction notes
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