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Ethanol → N-{3-[(2-amino[1,2,4]triazolo[1,5-a]pyridin-6-yl)oxy]phenyl}-1,3-dimethyl-1H-pyrazole-5-carboxamide

HRID 1874410
ノート
印刷プレビュー

反応式

HRID 1874410 の反応式
[CH3:1][N:2]1[C:6]([C:7]([NH:9][C:10]2[CH:11]=[C:12]([CH:29]=[CH:30][CH:31]=2)[O:13][C:14]2[CH:15]=[CH:16][C:17]([NH:20][C:21]([NH:23]C(=O)OCC)=S)=[N:18][CH:19]=2)=[O:8])=[CH:5][C:4]([CH3:32])=[N:3]1.[Cl-].O[NH3+].C([N:39](CC)C(C)C)(C)C.C(O)C>O.CO>[NH2:23][C:21]1[N:20]=[C:17]2[CH:16]=[CH:15][C:14]([O:13][C:12]3[CH:11]=[C:10]([NH:9][C:7]([C:6]4[N:2]([CH3:1])[N:3]=[C:4]([CH3:32])[CH:5]=4)=[O:8])[CH:31]=[CH:30][CH:29]=3)=[CH:19][N:18]2[N:39]=1
参加物反応条件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 702EthanolHCID 21645Hydroxylamine HClHCID 81531DiisopropylethylamineHCID 57749218ethyl ({[5-(3-{[(1,3-dimethyl-1H-pyrazol-5-yl)carbonyl]amino}phenoxy)pyridin-2-yl]amino}carbonothioyl)carbamate

生成物 1

HCID 57749195N-{3-[(2-amino[1,2,4]triazolo[1,5-a]pyridin-6-yl)oxy]phenyl}-1,3-dimethyl-1H-pyrazole-5-carboxamide収率 69%

試薬・触媒・溶媒

2
HCID 887Methanol溶媒HCID 962Water溶媒

反応条件

温度
80 °C

実験手順

A mixture of ethyl ({[5-(3-{[(1,3-dimethyl-1H-pyrazol-5-yl)carbonyl]amino}phenoxy)pyridin-2-yl]amino}carbonothioyl)carbamate (238 mg, 0.524 mmol), hydroxylammonium chloride (364 mg, 5.24 mmol), N,N-diisopropylethylamine (548 μL, 3.14 mmol), ethanol (3 mL) and methanol (3 mL) was stirred at 60° C. for 5 hr and at 80° C. for 2 hr. The reaction mixture was diluted with water and extracted with ethyl acetate. The organic layer was washed with water and saturated brine, dried over anhydrous magnesium sulfate and filtrated. The filtrate was concentrated under reduced pressure, and the residue was purified by column chromatography (silica gel, hexane/ethyl acetate/methanol=50/50/0→40/100/0→40/90/10) and recrystallized from ethyl acetate-hexane to give the title compound (131 mg, 69%) as a white solid.

後処理

  1. extractionextracted with ethyl acetate
  2. washThe organic layer was washed with water and saturated brine
  3. dry with materialdried over anhydrous magnesium sulfate
  4. filtrationfiltrated
  5. concentrationThe filtrate was concentrated under reduced pressure
  6. customthe residue was purified by column chromatography (silica gel, hexane/ethyl acetate/methanol=50/50/0→40/100/0→40/90/10)
  7. customrecrystallized from ethyl acetate-hexane

出典と根拠

ORDレコード
ord-4b1c3a9d6e184bd08b554bb8a3b5bef2
出典データセット
uspto-grants-2012_11
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08304557B2

反応ノート

読み込み中…

このページの内容参加物反応条件実験手順後処理出典と根拠反応ノート