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Hydrochloric Acid → 3-[3-ethoxy-1-[4-(3-methyl-1-(2-pyridyl)-1H-pyrazol-4-ylmethoxy]benzyl]-1H-pyrazol-4-yl]propionic acid

HRID 350253
ノート
印刷プレビュー

反応式

HRID 350253 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[C:26]([CH3:36])=[N:27][N:28]([C:30]4[CH:35]=[CH:34][CH:33]=[CH:32][N:31]=4)[CH:29]=3)=[CH:19][CH:18]=2)[N:5]=1)[CH3:2].[OH-].[Na+].O1CCCC1.Cl>C(O)C>[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[C:26]([CH3:36])=[N:27][N:28]([C:30]4[CH:35]=[CH:34][CH:33]=[CH:32][N:31]=4)[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 313Hydrochloric AcidHCID 8028TetrahydrofuranHCID 14798Sodium HydroxideHCID 69424033ethyl 3-[3-ethoxy-1-[4-[3-methyl-1-(2-pyridyl)-1H-pyrazol-4-ylmethoxy]benzyl]-1H-pyrazol-4-yl]propionate

生成物 1

HCID 101617333-[3-ethoxy-1-[4-(3-methyl-1-(2-pyridyl)-1H-pyrazol-4-ylmethoxy]benzyl]-1H-pyrazol-4-yl]propionic acid収率 97%

試薬・触媒・溶媒

1
HCID 702Ethanol溶媒

実験手順

After a mixture of ethyl 3-[3-ethoxy-1-[4-[3-methyl-1-(2-pyridyl)-1H-pyrazol-4-ylmethoxy]benzyl]-1H-pyrazol-4-yl]propionate (680 mg), 1N aqueous sodium hydroxide solution (3 ml), tetrahydrofuran (5 ml) and ethanol (5 ml) was stirred at room temperature for 2 hours, 1 N hydrochloric acid (3 ml) was added to the mixture, and then the mixture was extracted with ethyl acetate. The ethyl acetate layer was washed with saturated aqueous sodium chloride solution, dried (MgSO4) and concentrated. The resulting colorless crystals were collected by filtration to obtain 3-[3-ethoxy-1-[4-(3-methyl-1-(2-pyridyl)-1H-pyrazol-4-ylmethoxy]benzyl]-1H-pyrazol-4-yl]propionic acid (620 mg, yield: 97%). This was recrystallized from acetone-hexane. Melting point: 126–127° C.

後処理

  1. extractionthe mixture was extracted 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 resulting colorless crystals were collected by filtration

出典と根拠

ORDレコード
ord-a4e4896de80241e881133a119465863b
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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