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Hydrochloric Acid → (4E)-4-[[4-[2-(5-methyl-2-phenyl-1,3-oxazol-4-yl)ethoxy]phenyl]methoxyimino]-4-phenylbutanoic acid

HRID 1070125
ノート
印刷プレビュー

反応式

HRID 1070125 の反応式
[OH-].[Na+].[CH3:3][C:4]1[O:8][C:7]([C:9]2[CH:14]=[CH:13][CH:12]=[CH:11][CH:10]=2)=[N:6][C:5]=1[CH2:15][CH2:16][O:17][C:18]1[CH:39]=[CH:38][C:21]([CH2:22][O:23]/[N:24]=[C:25](/[C:32]2[CH:37]=[CH:36][CH:35]=[CH:34][CH:33]=2)\[CH2:26][CH2:27][C:28]([O:30]C)=[O:29])=[CH:20][CH:19]=1.CO.Cl>O1CCCC1>[CH3:3][C:4]1[O:8][C:7]([C:9]2[CH:10]=[CH:11][CH:12]=[CH:13][CH:14]=2)=[N:6][C:5]=1[CH2:15][CH2:16][O:17][C:18]1[CH:19]=[CH:20][C:21]([CH2:22][O:23]/[N:24]=[C:25](/[C:32]2[CH:37]=[CH:36][CH:35]=[CH:34][CH:33]=2)\[CH2:26][CH2:27][C:28]([OH:30])=[O:29])=[CH:38][CH:39]=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 887MethanolHCID 14798Sodium HydroxideHCID 10983890methyl (4E)-4-[[4-[2-(5-methyl-2-phenyl-1,3-oxazol-4-yl)ethoxy]phenyl]methoxyimino]-4-phenylbutanoate

生成物 1

HCID 11762627(4E)-4-[[4-[2-(5-methyl-2-phenyl-1,3-oxazol-4-yl)ethoxy]phenyl]methoxyimino]-4-phenylbutanoic acid収率 99.1%

試薬・触媒・溶媒 1

HCID 8028Tetrahydrofuran溶媒

実験手順

A 1N aqueous saturated solution of sodium hydroxide (5 ml) was added to a solution of methyl E-4-[4-[2-(5-methyl-2-phenyl-4-oxazolyl)ethoxy]benzyloxyimino]-4-phenylbutyrate (460 mg) in tetrahydrofuran (10 ml)-methanol (5 ml) and stirred at room temperature for 1 hour. 1N hydrochloric acid (5.5 ml) was added to the reaction mixture and extracted with ethyl acetate. The ethyl acetate layer was washed with an aqueous saturated solution of sodium chloride, dried (MgSO4) and concentrated. The residue was recrystallized from ethyl acetate-hexane to obtain E-4-[4-[2-(5-methyl-2-phenyl-4-oxazolyl)ethoxy]benzyloxyimino]-4-phenylbutyric acid (443 mg, yield 99%) as colorless crystals. m.p. 106-107° C.

後処理

  1. extractionextracted with ethyl acetate
  2. washThe ethyl acetate layer was washed with an aqueous saturated solution of sodium chloride
  3. dry with materialdried (MgSO4)
  4. concentrationconcentrated
  5. customThe residue was recrystallized from ethyl acetate-hexane

出典と根拠

ORDレコード
ord-15fa3146221d4e2c9d8d692f93c26b5b
出典データセット
uspto-grants-2001_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06251926B1

反応ノート

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