Ammonium Chloride → 1196894-98-0
Reaction equation
[CH3:1][Mg]Br.CON(C)[C:7](=[O:23])[CH2:8][CH2:9][CH:10]1[CH2:15][CH2:14][N:13]([C:16]([O:18][C:19]([CH3:22])([CH3:21])[CH3:20])=[O:17])[CH2:12][CH2:11]1.[Cl-].[NH4+]>C1COCC1>[O:23]=[C:7]([CH3:1])[CH2:8][CH2:9][CH:10]1[CH2:11][CH2:12][N:13]([C:16]([O:18][C:19]([CH3:20])([CH3:21])[CH3:22])=[O:17])[CH2:14][CH2:15]1Participants
5
Reactant 3
Product 1
Reagents, catalysts & solvents 1
Procedure
Methylmagnesium bromide (1 M THF solution, 30 mL) was added dropwise to a solution of tert-butyl 4-{3-[methoxy(methyl)amino]-3-oxopropyl}piperidine-1-carboxylate (4.5 g) in THF (50 mL) under ice-cooling, and the reaction mixture was stirred at room temperature for 3 hr. The reaction mixture was poured into saturated aqueous ammonium chloride solution, and the mixture was extracted with ethyl acetate. The extract was washed with water and saturated brine, dried over anhydrous magnesium sulfate, and concentrated under reduced pressure to give the title compound (3.70 g).
Workup
- temperaturecooling
- extractionthe mixture was extracted with ethyl acetate
- washThe extract was washed with water and saturated brine
- dry with materialdried over anhydrous magnesium sulfate
- concentrationconcentrated under reduced pressure
Sources & evidence
- ORD record
- ord-03ae17e2993c4a79bf9eb6619025982e
- Source dataset
- uspto-grants-2014_04
- Patent number
- US08703758B2
Reaction notes
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