Dimethylformamide → HCID 22502962, compound
Reaction equation
[Br:1][C:2]1[CH:3]=[C:4]2[CH:11]=[CH:10][S:9][C:5]2=[C:6](Br)[N:7]=1.C(N1[CH2:19][CH2:18][CH2:17][CH2:16]C1)C.[C:20](=O)([O-])[O-].[K+].[K+].[CH3:26][N:27]([CH3:30])C=O>>[CH2:17]([CH:18]1[CH2:19][CH2:30][N:27]([C:6]2[N:7]=[C:2]([Br:1])[CH:3]=[C:4]3[CH:11]=[CH:10][S:9][C:5]=23)[CH2:26][CH2:20]1)[CH3:16]Participants
5
Procedure
5,7-Dibromothieno[2,3-c]pyridine (2.04 g), 1-ethylpiperidine (0.95 g) and potassium carbonate (2.0 g) were reaacted in N,N-dimethylformamide (15 ml) at 70° C. for 2 hr. The reaction mixture was evaporated, and the resulting residue was partitioned between ethyl acetate and water. The ethyl acetate layer was washed with water and brine, and dried over magnesium sulfate. The resulting residue was purified by silica gel column chromatography (ethyl acetate/methanol system), to give 7-(4-ethylpiperidin-1-yl)-5-bromothieno[2,3-c]pyridine (1.95 g) as a brown oil.
Workup
- customThe reaction mixture was evaporated
- customthe resulting residue was partitioned between ethyl acetate and water
- washThe ethyl acetate layer was washed with water and brine
- dry with materialdried over magnesium sulfate
- customThe resulting residue was purified by silica gel column chromatography (ethyl acetate/methanol system)
Sources & evidence
- ORD record
- ord-0be1317a3c3346f18909ad642d07c281
- Source dataset
- uspto-grants-2005_04
- Patent number
- US06875761B2
Reaction notes
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