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Potassium Carbonate → 2-[[2-chloro-5-(1-hydroxy-1-methyl-ethyl)-phenyl]-(3,4-dimethoxy-benzenesulfonyl)-amino]-N,N-diethyl-acetamide

HRID 1674663
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인쇄 미리보기

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HRID 1674663 반응식
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]([OH:11])([CH3:10])[CH3:9])=[CH:4][C:3]=1[NH:12][S:13]([C:16]1[CH:21]=[CH:20][C:19]([O:22][CH3:23])=[C:18]([O:24][CH3:25])[CH:17]=1)(=[O:15])=[O:14].Cl[CH2:27][C:28]([N:30]([CH2:33][CH3:34])[CH2:31][CH3:32])=[O:29].C([O-])([O-])=O.[K+].[K+]>CN(C=O)C>[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]([OH:11])([CH3:10])[CH3:9])=[CH:4][C:3]=1[N:12]([S:13]([C:16]1[CH:21]=[CH:20][C:19]([O:22][CH3:23])=[C:18]([O:24][CH3:25])[CH:17]=1)(=[O:15])=[O:14])[CH2:27][C:28]([N:30]([CH2:33][CH3:34])[CH2:31][CH3:32])=[O:29]
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5

반응물 3

HCID 11430Potassium CarbonateHCID 16844Chloro-N,N-diethylacetamideHCID 57511302N-[2-chloro-5-(1-hydroxy-1-methyl-ethyl)-phenyl]-3,4-dimethoxy-benzenesulfonamide

생성물 1

HCID 575113202-[[2-chloro-5-(1-hydroxy-1-methyl-ethyl)-phenyl]-(3,4-dimethoxy-benzenesulfonyl)-amino]-N,N-diethyl-acetamide수율 92.2%

시약·촉매·용매 1

HCID 6228
Dimethylformamide
용매

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온도
80 °C

실험 절차

To a solution of N-[2-chloro-5-(1-hydroxy-1-methyl-ethyl)-phenyl]-3,4-dimethoxy-benzenesulfonamide (0.98 g, 2.5 mmol) in DMF (7.5 mL) was added 2-Chloro-N,N-diethyl-acetamide (0.418 g, 1.1 eq) and K2CO3 (0.35 g, 1 eq). The mixture was heated at 80° C. over night, cooled and partitioned between EA and water. The organic layer was washed several times with water and brine, dried over MgSO4 and concentrated. The residue was purified by chromatography on SiO2 (hex/EA 1:1, EA) to give the product as a colourless foam (1.15 g, 92%).

후처리

  1. temperaturecooled
  2. custompartitioned between EA and water
  3. washThe organic layer was washed several times with water and brine
  4. dry with materialdried over MgSO4
  5. concentrationconcentrated
  6. customThe residue was purified by chromatography on SiO2 (hex/EA 1:1, EA)

출처 및 근거

ORD 기록
ord-ddbd9bd5544d417e9835f05fae42b64f
출처 데이터셋
uspto-grants-2011_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08003654B2

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