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

HRID 350189
ノート
印刷プレビュー

反応式

HRID 350189 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][C:20]([O:23][CH2:24][C:25]3[N:26]=[C:27]([C:30]4[CH:35]=[CH:34][CH:33]=[CH:32][CH:31]=4)[O:28][CH:29]=3)=[CH:19][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:18]=[CH:19][C:20]([O:23][CH2:24][C:25]3[N:26]=[C:27]([C:30]4[CH:35]=[CH:34][CH:33]=[CH:32][CH:31]=4)[O:28][CH:29]=3)=[CH:21][CH:22]=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 11712608ethyl 3-[3-ethoxy-1-[4-(2-phenyl-4-oxazolylmethoxy)benzyl]-1H-pyrazol-4-yl]propionate

生成物 1

HCID 102974563-[3-ethoxy-1-[4-(2-phenyl-4-oxazolylmethoxy)benzyl]-1H-pyrazol-4-yl]propionic acid収率 93%

試薬・触媒・溶媒 1

HCID 313
Hydrochloric Acid
溶媒

実験手順

A mixture of ethyl 3-[3-ethoxy-1-[4-(2-phenyl-4-oxazolylmethoxy)benzyl]-1H-pyrazol-4-yl]propionate (523 mg), 1 N aqueous sodium hydroxide solution (2.5 ml), tetrahydrofuran (5 ml), and ethanol (5 ml) was stirred at room temperature for 3 hours, diluted with 1 N hydrochloric acid (2.5 ml), and extracted with ethyl acetate. The ethyl acetate layer was washed with saturated aqueous sodium chloride solution, dried (MgSO4), and concentrated. The obtained colorless crystals were collected by filtration, and 3-[3-ethoxy-1-[4-(2-phenyl-4-oxazolylmethoxy)benzyl]-1H-pyrazol-4-yl]propionic acid (456 mg, yield: 93%) was obtained. This was recrystallized from ethanol-hexane. Melting point: 135–136° C.

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
  5. filtrationThe obtained colorless crystals were collected by filtration

出典と根拠

ORDレコード
ord-503ad736b983460e892d00b74b09f04c
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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