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Potassium Carbonate → 1-(2-cyclopropyl-3-methyl-2H-indazol-5-yl)-4-{[5-(trifluoromethyl)thiophen-2-yl]methoxy}pyridin-2(1H)-one

HRID 1497411
ノート
印刷プレビュー

反応式

HRID 1497411 の反応式
[CH:1]1([N:4]2[C:12]([CH3:13])=[C:11]3[C:6]([CH:7]=[CH:8][C:9]([N:14]4[CH:19]=[CH:18][C:17]([OH:20])=[CH:16][C:15]4=[O:21])=[CH:10]3)=[N:5]2)[CH2:3][CH2:2]1.Cl[CH2:23][C:24]1[S:25][C:26]([C:29]([F:32])([F:31])[F:30])=[CH:27][CH:28]=1.C(=O)([O-])[O-].[K+].[K+]>CN(C=O)C.C(OCC)(=O)C>[CH:1]1([N:4]2[C:12]([CH3:13])=[C:11]3[C:6]([CH:7]=[CH:8][C:9]([N:14]4[CH:19]=[CH:18][C:17]([O:20][CH2:23][C:24]5[S:25][C:26]([C:29]([F:32])([F:31])[F:30])=[CH:27][CH:28]=5)=[CH:16][C:15]4=[O:21])=[CH:10]3)=[N:5]2)[CH2:2][CH2:3]1
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 3

HCID 11430Potassium CarbonateHCID 545735382-(Chloromethyl)-5-(trifluoromethyl)thiopheneHCID 1177986831-(2-cyclopropyl-3-methyl-2H-indazol-5-yl)-4-hydroxypyridin-2(1H)-one

生成物 1

HCID 1178167491-(2-cyclopropyl-3-methyl-2H-indazol-5-yl)-4-{[5-(trifluoromethyl)thiophen-2-yl]methoxy}pyridin-2(1H)-one収率 43.6%

試薬・触媒・溶媒 2

HCID 6228
Dimethylformamide
溶媒
HCID 8857Ethyl Acetate溶媒

実験手順

To a mixture of 1-(2-cyclopropyl-3-methyl-2H-indazol-5-yl)-4-hydroxypyridin-2(1H)-one (200 mg) and 2-(chloromethyl)-5-(trifluoromethyl)thiophene (171 mg) in DMF (4 ml) was added potassium carbonate (118 mg) at room temperature, and the mixture was stirred at the same temperature overnight. The reaction mixture was diluted with ethyl acetate, washed with water and saturated brine, dried over anhydrous magnesium sulfate, and concentrated under reduced pressure. The residue was fractionated by HPLC (C18, mobile phase: water/acetonitrile (containing 0.1% NH4HCO3)), and saturated aqueous sodium hydrogen carbonate solution was added to the obtained fraction. The mixture was extracted with ethyl acetate, dried over anhydrous magnesium sulfate, and concentrated under reduced pressure. The residue was crystallized from methanol-water to give the title compound (138 mg).

後処理

  1. washwashed with water and saturated brine
  2. dry with materialdried over anhydrous magnesium sulfate
  3. concentrationconcentrated under reduced pressure
  4. additionwas added to the obtained fraction
  5. extractionThe mixture was extracted with ethyl acetate
  6. dry with materialdried over anhydrous magnesium sulfate
  7. concentrationconcentrated under reduced pressure
  8. customThe residue was crystallized from methanol-water

出典と根拠

ORDレコード
ord-24febd66439444f2b16c06238f4913eb
出典データセット
uspto-grants-2015_12
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09199963B2

反応ノート

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