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Ethyl 2-bromopropionate → Methyl 2-[(4,6-dimethoxypyrimidin-2-yl)oxy]-6-[(1-ethoxycarbonylethyl)oxyiminomethyl)benzoate

HRID 4906
ノート
印刷プレビュー

反応式

HRID 4906 の反応式
[CH3:1][O:2][C:3]1[CH:8]=[C:7]([O:9][CH3:10])[N:6]=[C:5]([O:11][C:12]2[CH:21]=[CH:20][CH:19]=[C:18]([CH:22]=[N:23][OH:24])[C:13]=2[C:14]([O:16][CH3:17])=[O:15])[N:4]=1.Br[CH:26]([CH3:32])[C:27]([O:29][CH2:30][CH3:31])=[O:28]>[Ag]=O.CC(C)=O>[CH3:1][O:2][C:3]1[CH:8]=[C:7]([O:9][CH3:10])[N:6]=[C:5]([O:11][C:12]2[CH:21]=[CH:20][CH:19]=[C:18]([CH:22]=[N:23][O:24][CH:26]([C:27]([O:29][CH2:30][CH3:31])=[O:28])[CH3:32])[C:13]=2[C:14]([O:16][CH3:17])=[O:15])[N:4]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 2

HCID 79040Ethyl 2-bromopropionateHCID 86747184Methyl 2-[(4,6-dimethoxypyrimidin-2-yl)oxy]-6-hydroxyiminomethylbenzoate

生成物 1

HCID 86747185Methyl 2-[(4,6-dimethoxypyrimidin-2-yl)oxy]-6-[(1-ethoxycarbonylethyl)oxyiminomethyl)benzoate収率 27%

試薬・触媒・溶媒 2

HCID 92152Silver(II) oxide触媒HCID 180Acetone溶媒

実験手順

2.0 g of methyl 2-[(4,6-dimethoxypyrimidin-2-yl)oxy]-6-hydroxyiminomethylbenzoate, 3 ml of ethyl 2-bromopropionate and 0.9 g of silver oxide (I) were place in a 50 ml eggplant type flask, and were allowed to stand for one night at room temperature. 10 ml of acetone and 10 g of silica gel were added to the resultant reaction liquor, and the acetone was distilled off under reduced pressure. The resultant product was purified by column chromatography to obtain 0.7 g of the aimed compound (refractive index=1.5261) at a yield of 27%.

後処理

  1. waitto stand for one night at room temperature
  2. customreaction liquor
  3. distillationthe acetone was distilled off under reduced pressure
  4. customThe resultant product was purified by column chromatography

出典と根拠

ORDレコード
ord-58d146d694ce48609c737e896ac57533
出典データセット
uspto-grants-1993_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US05242895

反応ノート

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