Tetrabutylammonium Fluoride → HCID 67229113, compound
Reaction equation
[CH3:1][O:2][C:3]([C:5]1[CH:6]=[C:7]2[CH:13]=[C:12]([C:14]([C:21]3[CH:26]=[CH:25][C:24]([S:27]([CH3:30])(=[O:29])=[O:28])=[CH:23][CH:22]=3)=[CH:15][CH:16]3[CH2:20][CH2:19][CH2:18][CH2:17]3)[N:11](S(C3C=CC=CC=3)(=O)=O)[C:8]2=[N:9][CH:10]=1)=[O:4].[F-].C([N+](CCCC)(CCCC)CCCC)CCC>O1CCCC1.C(OCC)(=O)C>[CH3:1][O:2][C:3]([C:5]1[CH:6]=[C:7]2[CH:13]=[C:12]([C:14]([C:21]3[CH:22]=[CH:23][C:24]([S:27]([CH3:30])(=[O:29])=[O:28])=[CH:25][CH:26]=3)=[CH:15][CH:16]3[CH2:17][CH2:18][CH2:19][CH2:20]3)[NH:11][C:8]2=[N:9][CH:10]=1)=[O:4]Participants
5
Reactant 2
Product 1
Reagents, catalysts & solvents 2
Procedure
A mixture of 1-benzenesulfonyl-2-[2-cyclopentyl-1-(4-methanesulfonyl-phenyl)-vinyl]-1H-pyrrolo[2,3-b]pyridin-5-carboxylic acid methyl ester (prepared as in Example 3, 4 g, 7.1 mmol) in tetrahydrofuran (5 mL) and a tetrabutylammonium fluoride solution in tetrahydrofuran (1 M, 15 mL, 15 mmol) was stirred at room temperature for 12 h. The mixture was diluted with ethyl acetate (150 mL), washed with a saturated aqueous ammonium chloride solution and brine, dried over anhydrous sodium sulfate and then concentrated in vacuo to afford 2-[2-cyclopentyl-1-(4-methanesulfonyl-phenyl)-vinyl]-1H-pyrrolo[2,3-b]pyridin-5-carboxylic acid methyl ester (2.5 g, 83.3%) as a white solid: LC/MS m/e calcd for C23H24N2O4S [M+H]+ 425.52, observed 424.9.
Workup
- washwashed with a saturated aqueous ammonium chloride solution and brine
- dry with materialdried over anhydrous sodium sulfate
- concentrationconcentrated in vacuo
Sources & evidence
- ORD record
- ord-862f74dbe16e4ab0abcecd18f75dbb5f
- Source dataset
- uspto-grants-2012_07
- Patent number
- US08222416B2
Reaction notes
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