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Potassium Carbonate → 3-[3-(1,4-dimethyl-3H-indol-3-ylmethyl)-2-oxo-2,3-dihydro-benzimidazol-1-yl]-4-methoxy-2,2-dimethyl-butyric acid methyl ester

HRID 1747406
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HRID 1747406 반응식
[CH3:1][O:2][C:3](=[O:21])[C:4]([CH3:20])([CH3:19])[CH:5]([N:9]1[C:13]2[CH:14]=[CH:15][CH:16]=[CH:17][C:12]=2[NH:11][C:10]1=[O:18])[CH2:6][O:7][CH3:8].[I-].[CH3:23][N:24]1[C:32]2[C:27](=[C:28]([CH3:33])[CH:29]=[CH:30][CH:31]=2)[C:26]([CH2:34][N+](C)(C)C)=[CH:25]1.C([O-])([O-])=O.[K+].[K+]>CN(C=O)C.CCOC(C)=O>[CH3:1][O:2][C:3](=[O:21])[C:4]([CH3:19])([CH3:20])[CH:5]([N:9]1[C:13]2[CH:14]=[CH:15][CH:16]=[CH:17][C:12]=2[N:11]([CH2:34][CH:26]2[C:27]3[C:32](=[CH:31][CH:30]=[CH:29][C:28]=3[CH3:33])[N:24]([CH3:23])[CH2:25]2)[C:10]1=[O:18])[CH2:6][O:7][CH3:8]
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참가 물질

6

반응물 3

HCID 11430Potassium CarbonateHCID 17836486((1,4-Dimethylindole-3-yl)methyl)trimethylammonium iodideHCID 673585034-Methoxy-2,2-dimethyl-3-(2-oxo-2,3-dihydro-benzimidazol-1-yl)-butyric acid methyl ester

생성물 1

HCID 673583843-[3-(1,4-dimethyl-3H-indol-3-ylmethyl)-2-oxo-2,3-dihydro-benzimidazol-1-yl]-4-methoxy-2,2-dimethyl-butyric acid methyl ester수율 24%

시약·촉매·용매 2

HCID 6228
Dimethylformamide
용매
HCID 8857Ethyl Acetate용매

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온도
100 °C

실험 절차

To a mixture of 4-methoxy-2,2-dimethyl-3-(2-oxo-2,3-dihydro-benzimidazol-1-yl)-butyric acid methyl ester (137 mg, 0.47 mmol) and (1,4-dimethyl-1H-indol-3-ylmethyl)-trimethylammonium iodide (225 mg, 0.65 mmol) in DMF (2.5 mL) was added K2CO3 (200 mg, 1.45 mmol). The mixture was stirred at 100° C. for 4 hours. The reaction mixture was allowed to cool to room temperature, diluted with EtOAc (50 mL) and washed with H2O (50 mL×3). The organic layer was dried over sodium sulfate and concentrated. The resulting residue was purified by CombiFlash with 50% EtOAc in Hexane as the eluent to afford the desired 3-[3-(1,4-dimethyl-3H-indol-3-ylmethyl)-2-oxo-2,3-dihydro-benzimidazol-1-yl]-4-methoxy-2,2-dimethyl-butyric acid methyl ester (50 mg, 24%).

후처리

  1. temperatureto cool to room temperature
  2. washwashed with H2O (50 mL×3)
  3. dry with materialThe organic layer was dried over sodium sulfate
  4. concentrationconcentrated
  5. customThe resulting residue was purified by CombiFlash with 50% EtOAc in Hexane as the eluent

출처 및 근거

ORD 기록
ord-b977e73bc0184aa0bcdb49f5f890368e
출처 데이터셋
uspto-grants-2015_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09150556B2

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