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

HRID 1515841
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HRID 1515841 반응식
[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]([CH3:24])[CH3:23])(=[O:9])=[O:8])[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[CH3:36][O:37][C:38](=[O:55])[C:39]1[CH:44]=[CH:43][C:42](B2OC(C)(C)C(C)(C)O2)=[CH:41][C:40]=1[F:54].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>[CH3:36][O:37][C:38](=[O:55])[C:39]1[CH:44]=[CH:43][C:42]([C:20]([C:11]2[N:10]([S:7]([C:1]3[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=3)(=[O:8])=[O:9])[C:14]3=[N:15][CH:16]=[C:17]([F:19])[CH:18]=[C:13]3[CH:12]=2)=[CH:21][CH:22]([CH3:24])[CH3:23])=[CH:41][C:40]=1[F:54]
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참가 물질

7

반응물 3

HCID 10340Sodium CarbonateHCID 221715283-Fluoro-4-methoxycarbonylphenylboronic acid, pinacol esterHCID 86654514toluene-4-sulfonic acid 1-(1-benzenesulfonyl-5-fluoro-1H-pyrrolo[2,3-b]pyridin-2-yl)-3-methyl-but-1-enyl ester

생성물 1

HCID 672286354-[1-(1-benzenesulfonyl-5-fluoro-1H-pyrrolo[2,3-b]pyridin-2-yl)-3-methyl-but-1-enyl]-2-fluoro-benzoic acid methyl ester수율 83.9%

시약·촉매·용매 3

HCID 178418476HCID 178418476, 화합물촉매HCID 8857Ethyl Acetate용매HCID 312751,4-Dioxane용매

실험 절차

To a mixture of toluene-4-sulfonic acid 1-(1-benzenesulfonyl-5-fluoro-1H-pyrrolo[2,3-b]pyridin-2-yl)-3-methyl-but-1-enyl ester (prepared as in Example 99, 3.09 g, 6 mmol), 2-fluoro-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-benzoic acid methyl ester (prepared as in Example 95, 5.88 g, 21 mmol) and dichlorobis(triphenylphosphine)palladium (II) (420 mg, 0.6 mmol) in dioxane (24 mL) was added an aqueous sodium carbonate solution (2 M, 7.5 mL). The resulting mixture was subjected to microwave irradiation for 4 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)-3-methyl-but-1-enyl]-2-fluoro-benzoic acid methyl ester (2.50 g, 83%) as a white solid: LC/MS m/e calcd for C26H22F2N2O4S [M+H]+ 497.54, observed 496.7.

후처리

  1. customirradiation for 4 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)

출처 및 근거

ORD 기록
ord-0e8c11e1664843a6a247cad9f77a0c06
출처 데이터셋
uspto-grants-2012_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08222416B2

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