Dimethylformamide → HCID 67783220, compound
Reaction equation
[CH:1]1[C:6]2[NH:7][C:8]3[C:13]([C:5]=2[CH:4]=[C:3]([C:14]([C@:16]2([CH3:36])[C:24]4[C:19](=[CH:20][CH:21]=[C:22]([O:26][CH3:27])[C:23]=4[NH2:25])[N:18]([C:28]4[CH:33]=[CH:32][C:31]([F:34])=[CH:30][CH:29]=4)[C:17]2=[O:35])=[O:15])[N:2]=1)=[CH:12][CH:11]=[CH:10][CH:9]=3.CI.[C:39](=O)([O-])[O-].[K+].[K+].CN(C)C=O>C(OCC)(=O)C.O>[CH3:39][N:7]1[C:8]2[C:13](=[CH:12][CH:11]=[CH:10][CH:9]=2)[C:5]2[CH:4]=[C:3]([C:14]([C@:16]3([CH3:36])[C:24]4[C:19](=[CH:20][CH:21]=[C:22]([O:26][CH3:27])[C:23]=4[NH2:25])[N:18]([C:28]4[CH:29]=[CH:30][C:31]([F:34])=[CH:32][CH:33]=4)[C:17]3=[O:35])=[O:15])[N:2]=[CH:1][C:6]1=2Participants
7
Procedure
A mixture of 0.55 g of (S)-3-{9H-pyrido[3,4-b]-indol-3-yl-carbonyl}-amino-3-methyl-1-(4-fluorophenyl)-5-methoxy-2-indolinone, 0.2 ml of methyl iodide, 0.78 g of potassium carbonate and 10 ml of dimethylformamide was stirred at room temperature for 3 hours, and water and ethyl acetate were added to the mixture. The organic layer was separated, washed, dried, and evaporated under reduced pressure. The residue was crystallized from a mixed solvent of hexane and ethyl acetate to afford 0.403 g of the title compound as pale yellow crystals. Melting point: 232° to 233° C., [α]D20 : 0° (c=0.214, CHCl3)
Workup
- customThe organic layer was separated
- washwashed
- customdried
- customevaporated under reduced pressure
- customThe residue was crystallized from a mixed solvent of hexane and ethyl acetate
Sources & evidence
- ORD record
- ord-05fdac4b38d74112bea2573f4cb71eaa
- Source dataset
- uspto-grants-1995_07
- Patent number
- US05434148
Reaction notes
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