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Potassium Carbonate → Methyl methoxyimino-[2-(3-methoxyimino-2,3-dihydrobenzofuran-6-yloxymethyl)-phenyl]acetate

HRID 2184647
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HRID 2184647 반응식
[CH3:1][O:2][N:3]=[C:4]([C:9]1[CH:14]=[CH:13][CH:12]=[CH:11][C:10]=1[CH2:15]Br)[C:5]([O:7][CH3:8])=[O:6].C(=O)([O-])[O-].[K+].[K+].[CH3:23][O:24][N:25]=[C:26]1[C:30]2[CH:31]=[CH:32][C:33]([OH:35])=[CH:34][C:29]=2[O:28][CH2:27]1>CN(C)C=O>[CH3:1][O:2][N:3]=[C:4]([C:9]1[CH:14]=[CH:13][CH:12]=[CH:11][C:10]=1[CH2:15][O:35][C:33]1[CH:32]=[CH:31][C:30]2[C:26](=[N:25][O:24][CH3:23])[CH2:27][O:28][C:29]=2[CH:34]=1)[C:5]([O:7][CH3:8])=[O:6]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 11430Potassium CarbonateHCID 54028047Methyl 2-[2-(bromomethyl)phenyl]-2-(methoxyimino)acetateHCID 1359949623-Methoxyimino-6-hydroxy-2,3-dihydrobenzofuran

생성물 1

HCID 86757390Methyl methoxyimino-[2-(3-methoxyimino-2,3-dihydrobenzofuran-6-yloxymethyl)-phenyl]acetate

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

실험 절차

3.4 g of (E) methyl methoxyimino-(2-bromomethylphenyl)acetate was added to 9.0 g of potassium carbonate and 1.8 g of 3-methoxyimino-6-hydroxy-2,3-dihydrobenzofuran in 30 ml of N,N-dimethylformamide, and they were reacted at room temperature for 6 hours. After the completion of the reaction, the reaction liquid was poured in ice/water. After the extraction with ethyl acetate, the extract was washed with water, dried over anhydrous magnesium sulfate and concentrated under reduced pressure. The residue thus obtained was purified by the silica gel chromatography (hexane:ethyl acetate) to obtain 3.0 g of the title compound. (having a m.p. of 108-110° C. and 1H-NMR data shown in the following table).

후처리

  1. customwere reacted at room temperature for 6 hours
  2. customAfter the completion of the reaction
  3. customthe reaction liquid
  4. extractionAfter the extraction with ethyl acetate
  5. washthe extract was washed with water
  6. dry with materialdried over anhydrous magnesium sulfate
  7. concentrationconcentrated under reduced pressure
  8. customThe residue thus obtained
  9. customwas purified by the silica gel chromatography (hexane:ethyl acetate)

출처 및 근거

ORD 기록
ord-db6a9d669642469180d8cc6491ba8da5
출처 데이터셋
uspto-grants-2002_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06399542B1

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