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Hydrochloric Acid → (7E)-7-[[4-[(5-methyl-2-phenyl-1,3-oxazol-4-yl)methoxy]phenyl]methoxyimino]-7-phenylheptanoic acid

HRID 2299856
ノート
印刷プレビュー

反応式

HRID 2299856 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][O:16][C:17]1[CH:42]=[CH:41][C:20]([CH2:21][O:22]/[N:23]=[C:24](/[C:35]2[CH:40]=[CH:39][CH:38]=[CH:37][CH:36]=2)\[CH2:25][CH2:26][CH2:27][CH2:28][CH2:29][C:30]([O:32]CC)=[O:31])=[CH:19][CH:18]=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][O:16][C:17]1[CH:42]=[CH:41][C:20]([CH2:21][O:22]/[N:23]=[C:24](/[C:35]2[CH:40]=[CH:39][CH:38]=[CH:37][CH:36]=2)\[CH2:25][CH2:26][CH2:27][CH2:28][CH2:29][C:30]([OH:32])=[O:31])=[CH:19][CH:18]=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 11082103ethyl (7E)-7-[[4-[(5-methyl-2-phenyl-1,3-oxazol-4-yl)methoxy]phenyl]methoxyimino]-7-phenylheptanoate

生成物 1

HCID 11060312(7E)-7-[[4-[(5-methyl-2-phenyl-1,3-oxazol-4-yl)methoxy]phenyl]methoxyimino]-7-phenylheptanoic acid収率 82.2%

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 ethyl E-7-[4-(5-methyl-2-phenyl-4-oxazolylmethoxy)benzyloxyimino]-7-phenylheptanoate (730 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-7-[4-(5-methyl-2-phenyl-4-oxazolylmethoxy)benzyloxyimino]-7-phenylheptanoic acid (569 mg, yield 82%) as colorless crystals. m.p. 84-85° 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-daa21842eae24049981466d5d8dd35fa
出典データセット
uspto-grants-2002_12
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06495581B1

反応ノート

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