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Dimethylformamide → ethyl (8E)-8-[[4-[[2-(furan-2-yl)-5-methyl-1,3-oxazol-4-yl]methoxy]phenyl]methoxyimino]-8-phenyloctanoate

HRID 2299826
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HRID 2299826 반응식
Cl[CH2:2][C:3]1[N:4]=[C:5]([C:9]2[O:10][CH:11]=[CH:12][CH:13]=2)[O:6][C:7]=1[CH3:8].[OH:14][C:15]1[CH:41]=[CH:40][C:18]([CH2:19][O:20]/[N:21]=[C:22](/[C:34]2[CH:39]=[CH:38][CH:37]=[CH:36][CH:35]=2)\[CH2:23][CH2:24][CH2:25][CH2:26][CH2:27][CH2:28][C:29]([O:31][CH2:32][CH3:33])=[O:30])=[CH:17][CH:16]=1.C(=O)([O-])[O-].[K+].[K+].CN(C)C=O>C(OCC)(=O)C.CCCCCC.O>[O:10]1[CH:11]=[CH:12][CH:13]=[C:9]1[C:5]1[O:6][C:7]([CH3:8])=[C:3]([CH2:2][O:14][C:15]2[CH:16]=[CH:17][C:18]([CH2:19][O:20]/[N:21]=[C:22](/[C:34]3[CH:35]=[CH:36][CH:37]=[CH:38][CH:39]=3)\[CH2:23][CH2:24][CH2:25][CH2:26][CH2:27][CH2:28][C:29]([O:31][CH2:32][CH3:33])=[O:30])=[CH:40][CH:41]=2)[N:4]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 4

HCID 6228DimethylformamideHCID 11430Potassium CarbonateHCID 22344573ethyl (8E)-8-[(4-hydroxyphenyl)methoxyimino]-8-phenyloctanoateHCID 223445824-(Chloromethyl)-2-(furan-2-yl)-5-methyl-1,3-oxazole

생성물 1

HCID 22344599ethyl (8E)-8-[[4-[[2-(furan-2-yl)-5-methyl-1,3-oxazol-4-yl]methoxy]phenyl]methoxyimino]-8-phenyloctanoate수율 84.1%

시약·촉매·용매 2

HCID 962Water용매HCID 21226206Ethyl acetate hexane용매

실험 절차

A mixture of 4-(chloromethyl)-2-(2-furyl)-5-methyloxazole (340 g), ethyl E-8-(4-hydroxybenzyloxyimino)-8-phenyloctanoate (600 mg), potassium carbonate (432 mg) and N,N-dimethylformamide (7 ml) was stirred at room temperature for 18 hours. Water 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 subjected to silica gel chromatography to obtain ethyl E-8-[4-[2-(2-furyl)-5-methyl-4-oxazolylmethoxy]benzyloxyimino]-8-phenyloctanoate (717 mg, yield 84%) as a colorless oil from an ethyl acetate-hexane (2:9, v/v)-eluted fraction.

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

출처 및 근거

ORD 기록
ord-2c9839f9e9234e2e9c91bf29bd43c483
출처 데이터셋
uspto-grants-2002_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06495581B1

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