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Hydrochloric Acid → 3-[3-[4-(5-methyl-2-phenyl-4-oxazolylmethoxy)benzyloxy]-1-phenyl-1H-pyrazol-5-yl]propionic acid

HRID 1295343
ノート
印刷プレビュー

反応式

HRID 1295343 の反応式
[CH3:1][C:2]1[O:6][C:5]([C:7]2[CH:12]=[CH:11][CH:10]=[CH:9][CH:8]=2)=[N:4][C:3]=1[CH2:13][O:14][C:15]1[CH:40]=[CH:39][C:18]([CH2:19][O:20][C:21]2[CH:25]=[C:24]([CH2:26][CH2:27][C:28]([O:30]CC)=[O:29])[N:23]([C:33]3[CH:38]=[CH:37][CH:36]=[CH:35][CH:34]=3)[N:22]=2)=[CH:17][CH:16]=1.[OH-].[Na+].O1CCCC1.Cl>C(O)C>[CH3:1][C:2]1[O:6][C:5]([C:7]2[CH:8]=[CH:9][CH:10]=[CH:11][CH:12]=2)=[N:4][C:3]=1[CH2:13][O:14][C:15]1[CH:40]=[CH:39][C:18]([CH2:19][O:20][C:21]2[CH:25]=[C:24]([CH2:26][CH2:27][C:28]([OH:30])=[O:29])[N:23]([C:33]3[CH:34]=[CH:35][CH:36]=[CH:37][CH:38]=3)[N:22]=2)=[CH:17][CH:16]=1
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 69429333ethyl 3-[3-[4-(5-methyl-2-phenyl-4-oxazolylmethoxy)benzyloxy]-1-phenyl-1H-pyrazol-5-yl]propionate

生成物 1

HCID 102292673-[3-[4-(5-methyl-2-phenyl-4-oxazolylmethoxy)benzyloxy]-1-phenyl-1H-pyrazol-5-yl]propionic acid収率 85.5%

試薬・触媒・溶媒 1

HCID 702Ethanol溶媒

実験手順

A mixture of ethyl 3-[3-[4-(5-methyl-2-phenyl-4-oxazolylmethoxy)benzyloxy]-1-phenyl-1H-pyrazol-5-yl]propionate (950 mg), 1N aqueous sodium hydroxide solution (4 ml), tetrahydrofuran (4 ml) and ethanol (4 ml) was stirred at room temperature for 1 hr. 1N Hydrochloric acid (4 ml) was added to the reaction mixture and the mixture was extracted with ethyl acetate. The ethyl acetate layer was washed with saturated brine, dried (MgSO4) and concentrated. The obtained colorless crystals were collected by filtration to give 3-[3-[4-(5-methyl-2-phenyl-4-oxazolylmethoxy)benzyloxy]-1-phenyl-1H-pyrazol-5-yl]propionic acid (770 mg, yield 81%), which was then recrystallized from acetone-hexane. melting point: 154–155° C.

後処理

  1. extractionthe mixture was extracted with ethyl acetate
  2. washThe ethyl acetate layer was washed with saturated brine
  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-934232d9b72448ecb277c4a23951fdf3
出典データセット
uspto-grants-2007_07
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07241785B2

反応ノート

読み込み中…

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