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Citric Acid → [(3S)-6-({3',5'-dichloro-2',6'-dimethyl-4'-[3-(methylsulfonyl)propoxy]biphenyl-3-yl}methoxy)-2,3-dihydro-1-benzofuran-3-yl]acetic acid

HRID 15683
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HRID 15683 반응식
C[O:2][C:3](=[O:40])[CH2:4][C@H:5]1[C:9]2[CH:10]=[CH:11][C:12]([O:14][CH2:15][C:16]3[CH:17]=[C:18]([C:22]4[C:27]([CH3:28])=[C:26]([Cl:29])[C:25]([O:30][CH2:31][CH2:32][CH2:33][S:34]([CH3:37])(=[O:36])=[O:35])=[C:24]([Cl:38])[C:23]=4[CH3:39])[CH:19]=[CH:20][CH:21]=3)=[CH:13][C:8]=2[O:7][CH2:6]1.CO.[OH-].[Na+].C(O)(=O)CC(CC(O)=O)(C(O)=O)O>O.O1CCCC1>[Cl:38][C:24]1[C:23]([CH3:39])=[C:22]([C:18]2[CH:19]=[CH:20][CH:21]=[C:16]([CH2:15][O:14][C:12]3[CH:11]=[CH:10][C:9]4[C@H:5]([CH2:4][C:3]([OH:40])=[O:2])[CH2:6][O:7][C:8]=4[CH:13]=3)[CH:17]=2)[C:27]([CH3:28])=[C:26]([Cl:29])[C:25]=1[O:30][CH2:31][CH2:32][CH2:33][S:34]([CH3:37])(=[O:36])=[O:35]
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참가 물질

7

반응물 4

HCID 311Citric AcidHCID 887MethanolHCID 14798Sodium HydroxideHCID 59342584methyl [(3S)-6-({3',5'-dichloro-2',6'-dimethyl-4'-[3-(methylsulfonyl)propoxy]biphenyl-3-yl}methoxy)-2,3-dihydro-1-benzofuran-3-yl]acetate

생성물 1

HCID 24857376[(3S)-6-({3',5'-dichloro-2',6'-dimethyl-4'-[3-(methylsulfonyl)propoxy]biphenyl-3-yl}methoxy)-2,3-dihydro-1-benzofuran-3-yl]acetic acid
수율 86%

시약·촉매·용매 2

HCID 962Water용매HCID 8028Tetrahydrofuran용매

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온도
50 °C

실험 절차

To a solution of methyl[(3S)-6-({3′,5′-dichloro-2′,6′-dimethyl-4′-[3-(methylsulfonyl)propoxy]biphenyl-3-yl}methoxy)-2,3-dihydro-1-benzofuran-3-yl]acetate (0.617 g, 1.02 mmol) in a mixed solvent of methanol (2 mL) and tetrahydrofuran (4 mL) was added 2 M aqueous sodium hydroxide solution (1 mL), and the mixture was stirred at 50° C. for 2 hr. The reaction mixture was diluted with water, acidified with 10% aqueous citric acid solution, and extracted with ethyl acetate. The extract was washed with saturated brine, dried over anhydrous magnesium sulfate, and concentrated under reduced pressure. The precipitated crystals were recrystallized from heptane-ethyl acetate to give the title compound (0.520 g, yield 86%) as colorless crystals.

후처리

  1. extractionextracted with ethyl acetate
  2. washThe extract was washed with saturated brine
  3. dry with materialdried over anhydrous magnesium sulfate
  4. concentrationconcentrated under reduced pressure
  5. customThe precipitated crystals were recrystallized from heptane-ethyl acetate

출처 및 근거

ORD 기록
ord-1120f0bde0114066ac2b11c076dc90ac
출처 데이터셋
uspto-grants-2010_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07732626B2

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