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Dimethylformamide → methyl 3-[4-({4-[({4-[(Z)-2-(diethoxyphosphoryl)ethenyl]-1-phenyl-1H-pyrazol-3-yl}oxy)methyl]-2-methoxyphenoxy}methyl)-5-methyl-1,3-oxazol-2-yl]benzoate

HRID 2222001
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HRID 2222001 반응식
C(C1CN([O:14][CH2:15][C:16]2[CH:39]=[CH:38][C:19]([O:20][CH2:21][C:22]3[N:23]=[C:24]([C:28]4[CH:29]=[C:30]([CH:35]=[CH:36][CH:37]=4)[C:31]([O:33][CH3:34])=[O:32])[O:25][C:26]=3[CH3:27])=[C:18]([O:40][CH3:41])[CH:17]=2)N(C2C=CC=CC=2)C=1)=O.[CH2:42]([P:51](=[O:58])([O:55][CH2:56][CH3:57])[O:52][CH2:53][CH3:54])P(=O)(OCC)OCC.[CH3:59][N:60]([CH3:63])C=O.[H-].[Na+]>O>[CH2:56]([O:55][P:51](/[CH:42]=[CH:27]\[C:26]1[C:22]([O:14][CH2:15][C:16]2[CH:39]=[CH:38][C:19]([O:20][CH2:21][C:22]3[N:23]=[C:24]([C:28]4[CH:29]=[C:30]([CH:35]=[CH:36][CH:37]=4)[C:31]([O:33][CH3:34])=[O:32])[O:25][C:26]=3[CH3:27])=[C:18]([O:40][CH3:41])[CH:17]=2)=[N:23][N:60]([C:63]2[CH:38]=[CH:39][CH:16]=[CH:17][CH:18]=2)[CH:59]=1)([O:52][CH2:53][CH3:54])=[O:58])[CH3:57]
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참가 물질

6

반응물 4

HCID 6228DimethylformamideHCID 15455Tetraethyl methylenediphosphonateHCID 24758Sodium hydrideHCID 86605844methyl 3-{4-[(4-{[(4-formyl-1-phenyl-1H-pyrazol-2-yl)oxy]methyl)-2-methoxyphenoxy)methyl]-5-methyl-1,3-oxazol-2-yl}benzoate

생성물 1

HCID 86605915methyl 3-[4-({4-[({4-[(Z)-2-(diethoxyphosphoryl)ethenyl]-1-phenyl-1H-pyrazol-3-yl}oxy)methyl]-2-methoxyphenoxy}methyl)-5-methyl-1,3-oxazol-2-yl]benzoate
수율 4.4%

시약·촉매·용매 1

HCID 962Water용매

실험 절차

To a mixture of methyl 3-{4-[(4-{[(4-formyl-1-phenyl-1H-pyrazol2-yl)oxy]methyl}-2-methoxyphenoxy)methyl]-5-methyl-1,3-oxazol-2-yl}benzoate (33.0 g), tetraethyl methylenediphosphonate (18.91 g) and N,N-dimethylformamide (300 mL) was added sodium hydride (60% in oil, 2.86 g) at 0° C., and the mixture was stirred at room temperature for 15 hrs. Water was poured into the reaction mixture, and the mixture was extracted with ethyl acetate. The organic layer was washed successively with water and saturated brine, dried over anhydrous magnesium sulfate and concentrated. The residue was subjected to silica gel column chromatography to give methyl 3-[4-({4-[({4-[(Z)-2-(diethoxyphosphoryl)ethenyl]-1-phenyl-1H-pyrazol-3-yl}oxy)methyl]-2-methoxyphenoxy}methyl)-5-methyl-1,3-oxazol-2-yl]benzoate as colorless crystals (1.82 g, yield 4.4%) from a fraction eluted with acetone-hexane (1:1, v/v). Recrystallization from ethyl acetate-hexane gave colorless prism crystals. melting point: 112-113° C.

후처리

  1. extractionthe mixture was extracted with ethyl acetate
  2. washThe organic layer was washed successively with water and saturated brine
  3. dry with materialdried over anhydrous magnesium sulfate
  4. concentrationconcentrated

출처 및 근거

ORD 기록
ord-3e4329a67f4f4f8eaa0f23442454f5b3
출처 데이터셋
uspto-grants-2008_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07368578B2

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