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

HRID 2221933
ノート
印刷プレビュー

反応式

HRID 2221933 の反応式
[CH:1]([C:3]1[C:4]([O:14][CH2:15][C:16]2[CH:41]=[CH:40][C:19]([O:20][CH2:21][C:22]3[N:23]=[C:24]([C:28]4[CH:33]=[CH:32][C:31]([CH2:34][C:35]([O:37][CH2:38][CH3:39])=[O:36])=[CH:30][CH:29]=4)[O:25][C:26]=3[CH3:27])=[C:18]([O:42][CH3:43])[CH:17]=2)=[N:5][N:6]([C:8]2[CH:13]=[CH:12][CH:11]=[CH:10][CH:9]=2)[CH:7]=1)=O.[CH2:44](P(=O)(OCC)OCC)[P:45](=[O:52])([O:49][CH2:50][CH3:51])[O:46][CH2:47][CH3:48].CN(C)C=O.[H-].[Na+]>O>[CH2:47]([O:46][P:45](/[CH:44]=[CH:1]/[C:3]1[C:4]([O:14][CH2:15][C:16]2[CH:41]=[CH:40][C:19]([O:20][CH2:21][C:22]3[N:23]=[C:24]([C:28]4[CH:29]=[CH:30][C:31]([CH2:34][C:35]([O:37][CH2:38][CH3:39])=[O:36])=[CH:32][CH:33]=4)[O:25][C:26]=3[CH3:27])=[C:18]([O:42][CH3:43])[CH:17]=2)=[N:5][N:6]([C:8]2[CH:9]=[CH:10][CH:11]=[CH:12][CH:13]=2)[CH:7]=1)([O:49][CH2:50][CH3:51])=[O:52])[CH3:48]
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 6228DimethylformamideHCID 15455Tetraethyl methylenediphosphonateHCID 24758Sodium hydrideHCID 86605875ethyl (4-{4-[(4-{[(4-formyl-1-phenyl-1H-pyrazol-3-yl)oxy]methyl}-2-methoxyphenoxy)methyl]-5-methyl-1,3-oxazol-2-yl}phenyl)acetate

生成物 1

HCID 86605873ethyl {4-[4-({4-[({4-[(E)-2-(diethoxyphosphoryl)ethenyl]-1-phenyl-1H-pyrazol-3-yl)oxy)methyl]-2-methoxyphenoxy}methyl)-5-methyl-1,3-oxazol-2-yl]phenyl}acetate
収率 51%

試薬・触媒・溶媒 1

HCID 962Water溶媒

実験手順

To a mixture of ethyl (4-{4-[(4-{[(4-formyl-1-phenyl-1H-pyrazol-3-yl)oxy]methyl}-2-methoxyphenoxy)methyl]-5-methyl-1,3-oxazol-2-yl}phenyl)acetate (0.45 g), tetraethyl methylenediphosphonate (0.25 g) and N,N-dimethylformamide (10 mL) was added sodium hydride (60% in oil, 0.04 g) at room temperature, and the mixture was stirred at the same temperature for 1 hr. Water was poured into the reaction mixture, and the mixture was extracted with ethyl acetate. The organic layer was washed with saturated brine, dried over anhydrous magnesium sulfate and concentrated. The residue was subjected to silica gel column chromatography to give ethyl {4-[4-({4-[({4-[(E)-2-(diethoxyphosphoryl)ethenyl]-1-phenyl-1H-pyrazol-3-yl}oxy)methyl]-2-methoxyphenoxy}methyl)-5-methyl-1,3-oxazol-2-yl]phenyl}acetate as a colorless oil (0.28 g, yield 51%) from a fraction eluted with ethyl acetate-hexane (6:1, v/v).

後処理

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

出典と根拠

ORDレコード
ord-d22096fd73024de4bf18c1d50ac1e420
出典データセット
uspto-grants-2008_05
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07368578B2

反応ノート

読み込み中…

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