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Ethanol → 3-[3-ethoxy-1-[3-(5-methyl-2-phenyl-4-oxazolylmethoxy)benzyl]-1H-pyrazol-4-yl]propionic acid

HRID 350203
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HRID 350203 반응식
[CH2:1]([O:3][C:4]1[C:8]([CH2:9][CH2:10][C:11]([O:13]CC)=[O:12])=[CH:7][N:6]([CH2:16][C:17]2[CH:22]=[CH:21][CH:20]=[C:19]([O:23][CH2:24][C:25]3[N:26]=[C:27]([C:31]4[CH:36]=[CH:35][CH:34]=[CH:33][CH:32]=4)[O:28][C:29]=3[CH3:30])[CH:18]=2)[N:5]=1)[CH3:2].[OH-].[Na+].O1CCCC1.C(O)C>Cl>[CH2:1]([O:3][C:4]1[C:8]([CH2:9][CH2:10][C:11]([OH:13])=[O:12])=[CH:7][N:6]([CH2:16][C:17]2[CH:22]=[CH:21][CH:20]=[C:19]([O:23][CH2:24][C:25]3[N:26]=[C:27]([C:31]4[CH:32]=[CH:33][CH:34]=[CH:35][CH:36]=4)[O:28][C:29]=3[CH3:30])[CH:18]=2)[N:5]=1)[CH3:2]
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참가 물질

6

반응물 4

HCID 702EthanolHCID 8028TetrahydrofuranHCID 14798Sodium HydroxideHCID 23021925ethyl 3-[3-ethoxy-1-[3-(5-methyl-2-phenyl-4-oxazolylmethoxy)benzyl]-1H-pyrazol-4-yl]propionate

생성물 1

HCID 694244383-[3-ethoxy-1-[3-(5-methyl-2-phenyl-4-oxazolylmethoxy)benzyl]-1H-pyrazol-4-yl]propionic acid수율 93.1%

시약·촉매·용매 1

HCID 313Hydrochloric Acid용매

실험 절차

A mixture of ethyl 3-[3-ethoxy-1-[3-(5-methyl-2-phenyl-4-oxazolylmethoxy)benzyl]-1H-pyrazol-4-yl]propionate (808 mg), 1N aqueous sodium hydroxide solution (4 ml), tetrahydrofuran (8 ml), and ethanol (8 ml) was stirred at room temperature for 3 hours, diluted with 1 N hydrochloric acid (4 ml), and extracted with ethyl acetate. The ethyl acetate layer was washed with saturated aqueous sodium chloride solution, dried (MgSO4), and concentrated. The residue was subjected to silica gel column chromatography, and 3-[3-ethoxy-1-[3-(5-methyl-2-phenyl-4-oxazolylmethoxy)benzyl]-1H-pyrazol-4-yl]propionic acid (709 mg, yield: 93%) was obtained as a colorless oily substance from the fraction eluted with ethyl acetate-methanol (5:1, volume ratio).

후처리

  1. extractionextracted with ethyl acetate
  2. washThe ethyl acetate layer was washed with saturated aqueous sodium chloride solution
  3. dry with materialdried (MgSO4)
  4. concentrationconcentrated

출처 및 근거

ORD 기록
ord-6c9c765ecf1c4f0dad543b75cb891241
출처 데이터셋
uspto-grants-2007_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07179823B1

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