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Hydrochloric Acid → (2Z)-2-[[4-[(5-methyl-2-phenyl-1,3-oxazol-4-yl)methoxy]phenyl]methoxyimino]-2-[3-(1-phenylethenyl)phenyl]acetic acid

HRID 1070121
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HRID 1070121 반응식
[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:45]=[CH:44][C:20]([CH2:21][O:22]/[N:23]=[C:24](/[C:30]2[CH:35]=[CH:34][CH:33]=[C:32]([C:36]([C:38]3[CH:43]=[CH:42][CH:41]=[CH:40][CH:39]=3)=[CH2:37])[CH:31]=2)\[C:25]([O:27]CC)=[O:26])=[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:45]=[CH:44][C:20]([CH2:21][O:22]/[N:23]=[C:24](/[C:30]2[CH:35]=[CH:34][CH:33]=[C:32]([C:36]([C:38]3[CH:39]=[CH:40][CH:41]=[CH:42][CH:43]=3)=[CH2:37])[CH:31]=2)\[C:25]([OH:27])=[O:26])=[CH:19][CH:18]=1
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참가 물질

6

반응물 4

HCID 313Hydrochloric AcidHCID 887MethanolHCID 14798Sodium HydroxideHCID 22344588ethyl (2Z)-2-[[4-[(5-methyl-2-phenyl-1,3-oxazol-4-yl)methoxy]phenyl]methoxyimino]-2-[3-(1-phenylethenyl)phenyl]acetate

생성물 1

HCID 88021297(2Z)-2-[[4-[(5-methyl-2-phenyl-1,3-oxazol-4-yl)methoxy]phenyl]methoxyimino]-2-[3-(1-phenylethenyl)phenyl]acetic acid수율 95%

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매

반응 조건

온도
40 °C

실험 절차

A 1N aqueous saturated solution of sodium hydroxide (5 ml) was added to a solution of ethyl Z-2-[4(5-methyl-2-phenyl-4-oxazolylmethoxy)benzyloxyimino]-2-[3-(1-phenylvinyl)phenyl]acetate (780 mg) in tetrahydrofuran (10 ml)-methanol (5 ml) and stirred at 40° C. for 2 hours. 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 Z-2-[4-(5-methyl-2-phenyl-4-oxazolylmethoxy)benzyloxyimino]-2-[3-(1-phenylvinyl)phenyl]acetic acid (701 mg, yield 95%) as colorless crystals. m.p. 171-172° C.

후처리

  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

출처 및 근거

ORD 기록
ord-8604239f76f14e91b3d217be7b5d5660
출처 데이터셋
uspto-grants-2001_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06251926B1

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