Ethanol → Tert-butyl {3-[(2-amino[1,2,4]triazolo[1,5-a]pyridin-6-yl)oxy]phenyl}carbamate

HRID 1800399

反応式

HRID 1800399 の反応式
Cl.NO.C([N:6](C(C)C)C(C)C)C.C(O)C.C(OC(=O)[NH:20][C:21]([NH:23][C:24]1[CH:29]=[CH:28][C:27]([O:30][C:31]2[CH:36]=[CH:35][CH:34]=[C:33]([NH:37][C:38]([O:40][C:41]([CH3:44])([CH3:43])[CH3:42])=[O:39])[CH:32]=2)=[CH:26][N:25]=1)=S)C>CO>[C:41]([O:40][C:38](=[O:39])[NH:37][C:33]1[CH:34]=[CH:35][CH:36]=[C:31]([O:30][C:27]2[CH:28]=[CH:29][C:24]3[N:25]([N:6]=[C:21]([NH2:20])[N:23]=3)[CH:26]=2)[CH:32]=1)([CH3:42])([CH3:43])[CH3:44]

参加物

6

反応条件

温度
60 °C

実験手順

To a solution of hydroxylamine hydrochloride (4.34 g, 62.4 mmol) and N-ethyl-N-isopropylpropan-2-amine (12.7 mL, 72.8 mmol) in methanol (70 mL)/ethanol (70 mL) was added ethyl{[(5-{3-[(tert-butoxycarbonyl)amino]phenoxy}pyridin-2-yl)amino]carbonothioyl}carbamate (4.50 g, 10.4 mmol), and the mixture was stirred with heating at 60° C. for 12 hr. The reaction mixture was concentrated under reduced pressure, and the residue was diluted with ethyl acetate (500 mL), and washed with water (200 mL) and saturated brine (200 mL). The organic layer was dried over anhydrous sodium sulfate, the insoluble material was filtered off, and the filtrate was concentrated under reduced pressure. The obtained residue was recrystallized from ethyl acetate, hexane and diisopropyl ether to give the title compound (2.98 g, 83%) as a colorless powder.

後処理

  1. concentrationThe reaction mixture was concentrated under reduced pressure
  2. additionthe residue was diluted with ethyl acetate (500 mL)
  3. washwashed with water (200 mL) and saturated brine (200 mL)
  4. dry with materialThe organic layer was dried over anhydrous sodium sulfate
  5. filtrationthe insoluble material was filtered off
  6. concentrationthe filtrate was concentrated under reduced pressure
  7. customThe obtained residue was recrystallized from ethyl acetate, hexane and diisopropyl ether

出典と根拠

ORDレコード
ord-b425bb6533ff4b07a8aabeaa9c9614b1
出典データセット
uspto-grants-2013_01
特許番号
US08344135B2

関連ノート

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