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Sodium Bicarbonate → 2-(5-{1-[3-fluoro-4-(methylsulfanyl)phenyl]-2-(tetrahydro-2H-pyran-4-yl)ethyl}-1H-pyrrol-2-yl)pyrazine

HRID 1882087
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인쇄 미리보기

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HRID 1882087 반응식
[F:1][C:2]1[CH:3]=[C:4]([CH:10]([CH2:23][CH:24]2[CH2:29][CH2:28][O:27][CH2:26][CH2:25]2)[C:11](=O)[CH2:12][CH2:13][C:14]([C:16]2[CH:21]=[N:20][CH:19]=[CH:18][N:17]=2)=O)[CH:5]=[CH:6][C:7]=1[S:8][CH3:9].C([O-])(=O)C.[NH4+:34].C(=O)([O-])O.[Na+]>C(O)(=O)C.C(OCC)(=O)C>[F:1][C:2]1[CH:3]=[C:4]([CH:10]([C:11]2[NH:34][C:14]([C:16]3[CH:21]=[N:20][CH:19]=[CH:18][N:17]=3)=[CH:13][CH:12]=2)[CH2:23][CH:24]2[CH2:29][CH2:28][O:27][CH2:26][CH2:25]2)[CH:5]=[CH:6][C:7]=1[S:8][CH3:9]
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참가 물질

6

반응물 3

HCID 516892Sodium BicarbonateHCID 517165Ammonium AcetateHCID 593315445-[3-fluoro-4-(methylsulfanyl)phenyl]-1-(pyrazin-2-yl)-6-(tetrahydro-2H-pyran-4-yl)hexane-1,4-dione

생성물 1

HCID 593315252-(5-{1-[3-fluoro-4-(methylsulfanyl)phenyl]-2-(tetrahydro-2H-pyran-4-yl)ethyl}-1H-pyrrol-2-yl)pyrazine수율 88%

시약·촉매·용매 2

HCID 176
Acetic Acid
용매
HCID 8857Ethyl Acetate용매

반응 조건

온도
110 °C

실험 절차

To a solution of 5-[3-fluoro-4-(methylsulfanyl)phenyl]-1-(pyrazin-2-yl)-6-(tetrahydro-2H-pyran-4-yl)hexane-1,4-dione (438 mg) in acetic acid (5 mL) was added ammonium acetate (1.29 g), and the mixture was stirred at 110° C. for 2.5 hr. After cooling to room temperature, the mixture was neutralized with saturated aqueous sodium hydrogen carbonate solution. The reaction mixture was diluted with ethyl acetate and washed with water. The ethyl acetate layer was dried (MgSO4) and concentrated. The residue was subjected to silica gel column chromatography, and the title compound (367 mg, yield 88%) was obtained as a colorless amorphous solid from a fraction eluted with ethyl acetate-hexane (1:1, volume ratio). MS: 398 (MH+).

후처리

  1. temperatureAfter cooling to room temperature
  2. washwashed with water
  3. dry with materialThe ethyl acetate layer was dried (MgSO4)
  4. concentrationconcentrated

출처 및 근거

ORD 기록
ord-a2c675fb7f7144dda3bea3d3ebf9e46a
출처 데이터셋
uspto-grants-2012_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08318746B2

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