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Sodium Carbonate → 4-[1-(1-benzenesulfonyl-5-fluoro-1H-pyrrolo[2,3-b]pyridin-2-yl)-2-cyclopentyl-vinyl]-2-fluoro-benzoic acid methyl ester

HRID 1515838
Notes
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Reaction equation

HRID 1515838 reaction equation
[C:1]1([S:7]([N:10]2[C:14]3=[N:15][CH:16]=[C:17]([F:19])[CH:18]=[C:13]3[CH:12]=[C:11]2[C:20](OS(C2C=CC(C)=CC=2)(=O)=O)=[CH:21][CH:22]2[CH2:26][CH2:25][CH2:24][CH2:23]2)(=[O:9])=[O:8])[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[CH3:38][O:39][C:40](=[O:57])[C:41]1[CH:46]=[CH:45][C:44](B2OC(C)(C)C(C)(C)O2)=[CH:43][C:42]=1[F:56].C(=O)([O-])[O-].[Na+].[Na+]>O1CCOCC1.C(OCC)(=O)C.Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1>[CH3:38][O:39][C:40](=[O:57])[C:41]1[CH:46]=[CH:45][C:44]([C:20]([C:11]2[N:10]([S:7]([C:1]3[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=3)(=[O:9])=[O:8])[C:14]3=[N:15][CH:16]=[C:17]([F:19])[CH:18]=[C:13]3[CH:12]=2)=[CH:21][CH:22]2[CH2:26][CH2:25][CH2:24][CH2:23]2)=[CH:43][C:42]=1[F:56]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 3

HCID 10340Sodium CarbonateHCID 221715283-Fluoro-4-methoxycarbonylphenylboronic acid, pinacol esterHCID 86654507toluene-4-sulfonic acid 1-(1-benzenesulfonyl-5-fluoro-1H-pyrrolo[2,3-b]pyridin-2-yl)-2-cyclopentyl-vinyl ester

Product 1

HCID 672294244-[1-(1-benzenesulfonyl-5-fluoro-1H-pyrrolo[2,3-b]pyridin-2-yl)-2-cyclopentyl-vinyl]-2-fluoro-benzoic acid methyl esterYield 86%

Reagents, catalysts & solvents 3

HCID 178418476HCID 178418476, compoundCatalystHCID 8857Ethyl AcetateSolventHCID 312751,4-DioxaneSolvent

Procedure

To a mixture of toluene-4-sulfonic acid 1-(1-benzenesulfonyl-5-fluoro-1H-pyrrolo[2,3-b]pyridin-2-yl)-2-cyclopentyl-vinyl ester (prepared as in Example 88, 3 g, 5.75 mmol), 2-fluoro-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-benzoic acid methyl ester (prepared as in Example 95, 3.9 g, 13.9 mmol) and dichlorobis(triphenylphosphine)palladium (II) (390 mg, 0.6 mmol) in dioxane (24 mL) was added an aqueous sodium carbonate solution (2 M, 6.93 mL). The resulting mixture was subjected to microwave irradiation for 2 h at 100° C. The mixture was diluted with ethyl acetate (200 mL), washed with a saturated aqueous sodium bicarbonate solution (3×50 mL), brine, dried over anhydrous sodium sulfate and then concentrated in vacuo. Purification by flash silica gel chromatography (silica gel from QingDao, 200-300 mesh, glass column from Shanghai SD company, 25% ethyl acetate/hexanes) afforded 4-[1-(1-benzenesulfonyl-5-fluoro-1H-pyrrolo[2,3-b]pyridin-2-yl)-2-cyclopentyl-vinyl]-2-fluoro-benzoic acid methyl ester (2.50 g, 86%) as a white solid: LC/MS m/e calcd for C28H24F2N2O4S [M+H]+ 523.58, observed 522.7.

Workup

  1. customirradiation for 2 h at 100° C
  2. washwashed with a saturated aqueous sodium bicarbonate solution (3×50 mL), brine
  3. dry with materialdried over anhydrous sodium sulfate
  4. concentrationconcentrated in vacuo
  5. customPurification by flash silica gel chromatography (silica gel from QingDao, 200-300 mesh, glass column from Shanghai SD company, 25% ethyl acetate/hexanes)

Sources & evidence

ORD record
ord-41aaee36219443d1a95c1624dd6d0a72
Source dataset
uspto-grants-2012_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08222416B2

Reaction notes

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