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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
ノート
印刷プレビュー

反応式

HRID 350203 の反応式
[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]
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

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

生成物 1

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

試薬・触媒・溶媒 1

HCID 313Hydrochloric Acid溶媒

実験手順

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).

後処理

  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

出典と根拠

ORDレコード
ord-6c9c765ecf1c4f0dad543b75cb891241
出典データセット
uspto-grants-2007_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07179823B1

反応ノート

読み込み中…

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