Tetrabutylammonium Fluoride → 2-[2-cyclopentyl-1-(4-methanesulfonyl-phenyl)-vinyl]-5-methoxy-1H-pyrrolo[2,3-b]pyridine

HRID 1515629Notes

Reaction equation

HRID 1515629 reaction equation
C1(S([N:10]2[C:14]3=[N:15][CH:16]=[C:17]([O:19][CH3:20])[CH:18]=[C:13]3[CH:12]=[C:11]2[C:21]([C:28]2[CH:33]=[CH:32][C:31]([S:34]([CH3:37])(=[O:36])=[O:35])=[CH:30][CH:29]=2)=[CH:22][CH:23]2[CH2:27][CH2:26][CH2:25][CH2:24]2)(=O)=O)C=CC=CC=1.[F-].C([N+](CCCC)(CCCC)CCCC)CCC>O1CCCC1.C(OCC)(=O)C>[CH:23]1([CH:22]=[C:21]([C:11]2[NH:10][C:14]3=[N:15][CH:16]=[C:17]([O:19][CH3:20])[CH:18]=[C:13]3[CH:12]=2)[C:28]2[CH:33]=[CH:32][C:31]([S:34]([CH3:37])(=[O:36])=[O:35])=[CH:30][CH:29]=2)[CH2:27][CH2:26][CH2:25][CH2:24]1

Participants

5

Reactant 2

HCID 2724141Tetrabutylammonium FluorideHCID 672286121-benzenesulfonyl-2-[2-cyclopentyl-1-(4-methanesulfonyl-phenyl)-vinyl]-5-methoxy-1H-pyrrolo[2,3-b]pyridine

Product 1

HCID 672288962-[2-cyclopentyl-1-(4-methanesulfonyl-phenyl)-vinyl]-5-methoxy-1H-pyrrolo[2,3-b]pyridineYield 98.5%

Reagents, catalysts & solvents 2

HCID 8028TetrahydrofuranSolvent2×HCID 8857Ethyl AcetateSolvent

Procedure

A solution of 1-benzenesulfonyl-2-[2-cyclopentyl-1-(4-methanesulfonyl-phenyl)-vinyl]-5-methoxy-1H-pyrrolo[2,3-b]pyridine (536 mg, 1 mmol) in tetrahydrofuran (0.5 mL) and a tetrabutylammonium fluoride solution in tetrahydrofuran (1 M, 2 mL, 2 mmol) was stirred at room temperature for 12 h. The mixture was then diluted with ethyl acetate (150 mL), and washed with a saturated aqueous ammonium chloride solution, brine, dried over anhydrous sodium sulfate and concentrated in vacuo to afford 2-[2-cyclopentyl-1-(4-methanesulfonyl-phenyl)-vinyl]-5-methoxy-1H-pyrrolo[2,3-b]pyridine (390 mg, 98.5%) as a white solid: LC/MS m/e calcd for C22H24N2O3S [M+H]+ 397.51, observed 397.2.

Workup

  1. washwashed with a saturated aqueous ammonium chloride solution, brine
  2. dry with materialdried over anhydrous sodium sulfate
  3. concentrationconcentrated in vacuo

Sources & evidence

ORD record
ord-e889e81a06774c2195116321f608d6b9
Source dataset
uspto-grants-2012_07
Patent number
US08222416B2

Reaction notes

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