Trifluoroacetic acid → N-methyl-1-(1-methyl-1H-imidazol-2-yl)piperidin-4-amine
Reaction equation
FC(F)(F)C(O)=O.[CH3:8][N:9]([CH:17]1[CH2:22][CH2:21][N:20]([C:23]2[N:24]([CH3:28])[CH:25]=[CH:26][N:27]=2)[CH2:19][CH2:18]1)C(=O)OC(C)(C)C>ClCCl>[CH3:8][NH:9][CH:17]1[CH2:22][CH2:21][N:20]([C:23]2[N:24]([CH3:28])[CH:25]=[CH:26][N:27]=2)[CH2:19][CH2:18]1Participants
4
Procedure
Trifluoroacetic acid (1 ml) was added at 0° C. to a solution of tert-butyl methyl(1-(1-methyl-1H-imidazol-2-yl)piperidin-4-yl)carbamate (241 mg, 0.82 mmol, 1 eq) in dichloromethane (5 ml), and the reaction mixture was stirred for 1 h at room temperature. Concentration under reduced pressure was then carried out. The crude product so obtained was used in the next stage without being purified further.
Workup
- concentrationConcentration under reduced pressure
Sources & evidence
- ORD record
- ord-291a5f2cf6774ef689cf7e3b58fdc86f
- Source dataset
- uspto-grants-2014_03
- Patent number
- US08680159B2
Reaction notes
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