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Ammonium Acetate → 5-bromo-2-(5-{1-[4-(methylsulfonyl)phenyl]-2-(tetrahydro-2H-pyran-4-yl)ethyl}-1H-pyrrol-2-yl)pyridine

HRID 1881992
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인쇄 미리보기

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HRID 1881992 반응식
[Br:1][C:2]1[CH:3]=[CH:4][C:5]([C:8](=O)[CH2:9][CH2:10][C:11](=O)[CH:12]([C:20]2[CH:25]=[CH:24][C:23]([S:26]([CH3:29])(=[O:28])=[O:27])=[CH:22][CH:21]=2)[CH2:13][CH:14]2[CH2:19][CH2:18][O:17][CH2:16][CH2:15]2)=[N:6][CH:7]=1.C([O-])(=O)C.[NH4+:36]>C(O)(=O)C.C(OCC)(=O)C>[Br:1][C:2]1[CH:3]=[CH:4][C:5]([C:8]2[NH:36][C:11]([CH:12]([C:20]3[CH:25]=[CH:24][C:23]([S:26]([CH3:29])(=[O:28])=[O:27])=[CH:22][CH:21]=3)[CH2:13][CH:14]3[CH2:19][CH2:18][O:17][CH2:16][CH2:15]3)=[CH:10][CH:9]=2)=[N:6][CH:7]=1
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참가 물질

5

반응물 2

HCID 517165Ammonium AcetateHCID 593316251-(5-bromopyridin-2-yl)-5-[4-(methylsulfonyl)phenyl]-6-(tetrahydro-2H-pyran-4-yl)hexane-1,4-dione

생성물 1

HCID 593316205-bromo-2-(5-{1-[4-(methylsulfonyl)phenyl]-2-(tetrahydro-2H-pyran-4-yl)ethyl}-1H-pyrrol-2-yl)pyridine수율 86%

시약·촉매·용매 2

HCID 176Acetic Acid용매HCID 8857
Ethyl Acetate
용매

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온도
110 °C

실험 절차

To a solution of 1-(5-bromopyridin-2-yl)-5-[4-(methylsulfonyl)phenyl]-6-(tetrahydro-2H-pyran-4-yl)hexane-1,4-dione (3.89 g) in acetic acid (40 mL) was added ammonium acetate (9.50 g), and the mixture was stirred at 110° C. for 45 min. After cooling to room temperature, the reaction mixture was diluted with ethyl acetate and washed with water. The ethyl acetate layer was washed with saturated aqueous sodium hydrogen carbonate and saturated brine, dried (MgSO4) and concentrated. The residue was subjected to silica gel column chromatography, and the title compound (3.20 g, yield 86%) was obtained as a colorless amorphous solid from a fraction eluted with ethyl acetate-hexane (1:1, volume ratio). MS: 491 (MH+).

후처리

  1. temperatureAfter cooling to room temperature
  2. washwashed with water
  3. washThe ethyl acetate layer was washed with saturated aqueous sodium hydrogen carbonate and saturated brine
  4. dry with materialdried (MgSO4)
  5. concentrationconcentrated

출처 및 근거

ORD 기록
ord-44591b91d7494dae920f23f6fc2cd6ec
출처 데이터셋
uspto-grants-2012_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08318746B2

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