Dimethylformamide → HCID 86592080, compound
Reaction equation
[CH2:1]([O:5][C:6]1C2C(=CC=C(C(O)=O)C=2)[C:9](=[O:19])[N:8]([CH2:20][CH:21]([CH3:23])[CH3:22])[C:7]=1[CH2:24][NH:25][C:26]([O:28][C:29]([CH3:32])([CH3:31])[CH3:30])=[O:27])[CH2:2][CH2:3][CH3:4].Cl.CN[O:36][CH3:37].Cl.C(N=C=NCCCN(C)C)C.ON1[C:55]2[CH:56]=[CH:57][CH:58]=[CH:59][C:54]=2N=N1.C(N(CC)CC)C.[CH3:67][N:68](C)[CH:69]=[O:70]>O>[C:29]([O:28][C:26](=[O:27])[NH:25][CH2:24][C:7]1[N:8]([CH2:20][CH:21]([CH3:22])[CH3:23])[C:9](=[O:19])[C:54]2[C:55]([C:6]=1[O:5][CH2:1][CH2:2][CH2:3][CH3:4])=[CH:56][C:57]([C:69]([N:68]([O:36][CH3:37])[CH3:67])=[O:70])=[CH:58][CH:59]=2)([CH3:30])([CH3:31])[CH3:32]Participants
Reactant 6
Product 1
Reagents, catalysts & solvents 1
Procedure
A solution of 4-butoxy-3{[(tert-butoxycarbonyl)amino]methyl}-2-isobutyl-1-oxo-1,2-dihydro-6-isoquinolinecarboxylic acid (4.46 g, 10 mmol), N,O-dimethylhydroxyamine hydrochloride (1.17 g, 12 mmol), 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride (2.30 g, 12 mmol), 1-hydroxybenzotriazole (1.84 g, 12 mmol) and triethylamine (1.7 ml, 12 mmol) in N,N-dimethylformamide (10 ml) was stirred at room temperature for 2 h. The reaction mixture was poured into water and extracted with ethyl acetate. The extract was washed with brine, dried over anhydrous magnesium sulfate and concentrated under reduced pressure. The resulting crystals were recrystallized from ethyl acetate-diisopropyl ether to give tert-butyl(4butoxy-2-isobutyl-6-{[methoxy(methyl)amino]carbonyl}-1-oxo-1,2-dihydro-3-isoquinolinyl)methylcarbamate (4.15 g, 84.9%) as crystals.
Workup
- extractionextracted with ethyl acetate
- washThe extract was washed with brine
- dry with materialdried over anhydrous magnesium sulfate
- concentrationconcentrated under reduced pressure
- customThe resulting crystals were recrystallized from ethyl acetate-diisopropyl ether
Sources & evidence
- ORD record
- ord-f30d5ee3f9df4f7187af590400386256
- Source dataset
- uspto-grants-2006_04
- Patent number
- US07034039B2
Reaction notes
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