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

HRID 1295345
ノート
印刷プレビュー

反応式

HRID 1295345 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:16]=[C:17]([CH:38]=[CH:39][CH:40]=1)[CH2:18][O:19][C:20]1[CH:24]=[C:23]([CH2:25][CH2:26][C:27]([O:29]CC)=[O:28])[N:22]([C:32]2[CH:37]=[CH:36][CH:35]=[CH:34][CH:33]=2)[N:21]=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:16]=[C:17]([CH:38]=[CH:39][CH:40]=1)[CH2:18][O:19][C:20]1[CH:24]=[C:23]([CH2:25][CH2:26][C:27]([OH:29])=[O:28])[N:22]([C:32]2[CH:33]=[CH:34][CH:35]=[CH:36][CH:37]=2)[N:21]=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 69432474ethyl 3-[3-[3-(5-methyl-2-phenyl-4-oxazolylmethoxy)benzyloxy]-1-phenyl-1H-pyrazol-5-yl]propionate

生成物 1

HCID 101644563-[3-[3-(5-methyl-2-phenyl-4-oxazolylmethoxy)benzyloxy]-1-phenyl-1H-pyrazol-5-yl]propionic acid収率 62.3%

試薬・触媒・溶媒 1

HCID 702Ethanol溶媒

実験手順

A mixture of ethyl 3-[3-[3-(5-methyl-2-phenyl-4-oxazolylmethoxy)benzyloxy]-1-phenyl-1H-pyrazol-5-yl]propionate (830 mg), 1N aqueous sodium hydroxide solution (3 ml), tetrahydrofuran (5 ml) and ethanol (5 ml) was stirred at room temperature for 2 hrs. 1N Hydrochloric acid (3 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-[3-(5-methyl-2-phenyl-4-oxazolylmethoxy)benzyloxy]-1-phenyl-1H-pyrazol-5-yl]propionic acid (490 mg, yield 62%), which was then recrystallized from acetone-isopropyl ether. melting point: 137–138° 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-3b91e7cb6c4a4390afb7445d9aac62bc
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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