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Acetone → Ethyl(E)-3-[2-amino-4-(4-nitrophenoxy)-3-pyridyl]-2-propenoate

HRID 853315
ノート
印刷プレビュー

反応式

HRID 853315 の反応式
I[C:2]1[C:3]([NH2:18])=[N:4][CH:5]=[CH:6][C:7]=1[O:8][C:9]1[CH:14]=[CH:13][C:12]([N+:15]([O-:17])=[O:16])=[CH:11][CH:10]=1.[C:19]([O:23][CH2:24][CH3:25])(=[O:22])[CH:20]=[CH2:21].C(N(CCCC)CCCC)CCC.CC(C)=O>C([O-])(=O)C.[Pd+2].C([O-])(=O)C.O>[NH2:18][C:3]1[C:2](/[CH:21]=[CH:20]/[C:19]([O:23][CH2:24][CH3:25])=[O:22])=[C:7]([O:8][C:9]2[CH:14]=[CH:13][C:12]([N+:15]([O-:17])=[O:16])=[CH:11][CH:10]=2)[CH:6]=[CH:5][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

7

反応物 4

HCID 180AcetoneHCID 7622TributylamineHCID 8821Ethyl AcrylateHCID 229363343-Iodo-4-(4-nitrophenoxy)-2-pyridinamine

生成物 1

HCID 58931221Ethyl(E)-3-[2-amino-4-(4-nitrophenoxy)-3-pyridyl]-2-propenoate

試薬・触媒・溶媒 2

HCID 167845palladium(II) acetate
触媒
HCID 962Water溶媒

実験手順

3-Iodo-4-(4-nitrophenoxy)-2-pyridinamine (500 mg), ethyl acrylate (0.3 ml), palladium (II) acetate (30 mg), tributylamine (0.66 ml) and dimethylformaldehyde (5 ml) were stirred at 130° C. for 20 minutes. After returning the reaction solution to room temperature, water was added and extraction was performed with ethyl acetate. NH type silica gel was added to the extract, the solvent was distilled off under reduced pressure, and there action product was adsorbed onto the silica gel. The silica gel was charged into a dry column packed with NH type silica gel, and column purification was performed (hexane:ethyl acetate=3:1). The solvent was distilled off under reduced pressure to obtain 330 mg of the target substance as a yellow oil.

後処理

  1. customto room temperature
  2. extractionextraction
  3. additionNH type silica gel was added to the extract
  4. distillationthe solvent was distilled off under reduced pressure, and there action product
  5. additionThe silica gel was charged into a dry column
  6. custompacked with NH type silica gel, and column purification
  7. distillationThe solvent was distilled off under reduced pressure
  8. customto obtain 330 mg of the target substance as a yellow oil

出典と根拠

ORDレコード
ord-f9e87ea063ae49f283e54ae6276b9716
出典データセット
uspto-grants-2007_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07253286B2

反応ノート

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