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Cesium carbonate → 4-Chloro-2-(difluoromethyl)-1-(2-{[4-(methylsulfonyl)phenyl]oxy}ethyl)-1H-indole-5-carbonitrile

HRID 1188352
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HRID 1188352 반응식
[Cl:1][C:2]1[C:10]([C:11]#[N:12])=[CH:9][CH:8]=[C:7]2[C:3]=1[CH:4]=[C:5]([CH:13]([F:15])[F:14])[NH:6]2.C([O-])([O-])=O.[Cs+].[Cs+].[CH3:22][S:23]([C:26]1[CH:31]=[CH:30][C:29]([O:32][CH2:33][CH2:34]Br)=[CH:28][CH:27]=1)(=[O:25])=[O:24]>CC#N>[Cl:1][C:2]1[C:10]([C:11]#[N:12])=[CH:9][CH:8]=[C:7]2[C:3]=1[CH:4]=[C:5]([CH:13]([F:14])[F:15])[N:6]2[CH2:34][CH2:33][O:32][C:29]1[CH:28]=[CH:27][C:26]([S:23]([CH3:22])(=[O:25])=[O:24])=[CH:31][CH:30]=1
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참가 물질

5

반응물 3

HCID 10796Cesium carbonateHCID 249856324-chloro-2-(difluoromethyl)-1H-indole-5-carbonitrileHCID 438069541-(2-Bromoethoxy)-4-methanesulfonylbenzene

생성물 1

HCID 249861264-Chloro-2-(difluoromethyl)-1-(2-{[4-(methylsulfonyl)phenyl]oxy}ethyl)-1H-indole-5-carbonitrile수율 61.6%

시약·촉매·용매 1

HCID 6342Acetonitrile
용매

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온도
100 °C

실험 절차

To a solution of 4-chloro-2-(difluoromethyl)-1H-indole-5-carbonitrile (0.019 g, 0.084 mmol) in MeCN (2 mL), under N2, was added Cs2CO3 (0.055 g, 0.17 mmol) and 4-[(2-bromoethyl)oxy]phenyl methyl sulfone (0.047 g, 0.17 mmol). The mixture was heated in a sealed tube at 100° C. for 1 h. Upon cooling, the mixture was partitioned between EtOAc and water. The organic phase was washed with sat'd brine, dried (Na2SO4) and concentrated in vacuo. The residue was purified by flash chromatography (0-70% EtOAc-hexanes gradient) and the product was crystallized from CH2Cl2-hexanes to give the title compound as a white solid (0.022 g, 61% yield): MS (ES) m/z 425 (M+1).

후처리

  1. temperatureUpon cooling
  2. customthe mixture was partitioned between EtOAc and water
  3. washThe organic phase was washed with sat'd brine
  4. dry with materialdried (Na2SO4)
  5. concentrationconcentrated in vacuo
  6. customThe residue was purified by flash chromatography (0-70% EtOAc-hexanes gradient)
  7. customthe product was crystallized from CH2Cl2-hexanes

출처 및 근거

ORD 기록
ord-6fc237df39514f6d8623a3d7d00c1f57
출처 데이터셋
uspto-grants-2014_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08673948B2

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