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Tetrabutylammonium Fluoride → 2-(5-hydroxymethyl-1-methyl-1H-indazol-3-yl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid tert-butylamide

HRID 246341
ノート
印刷プレビュー

反応式

HRID 246341 の反応式
[C:1]([NH:5][C:6]([C:8]1[C:16]2[C:11](=[N:12][CH:13]=[C:14]([C:17]3[C:25]4[C:20](=[CH:21][CH:22]=[C:23]([C:26](C)(C)[O:27][SiH2]C(C)(C)C)[CH:24]=4)[N:19]([CH3:35])[N:18]=3)[N:15]=2)[N:10](COCC[Si](C)(C)C)[CH:9]=1)=[O:7])([CH3:4])([CH3:3])[CH3:2].[F-].C([N+](CCCC)(CCCC)CCCC)CCC>C1COCC1>[C:1]([NH:5][C:6]([C:8]1[C:16]2[C:11](=[N:12][CH:13]=[C:14]([C:17]3[C:25]4[C:20](=[CH:21][CH:22]=[C:23]([CH2:26][OH:27])[CH:24]=4)[N:19]([CH3:35])[N:18]=3)[N:15]=2)[NH:10][CH:9]=1)=[O:7])([CH3:4])([CH3:3])[CH3:2]
参加物実験手順後処理出典と根拠反応ノート

参加物

4

反応物 2

HCID 2724141Tetrabutylammonium FluorideHCID 131731223N-tert-butyl-2-[5-(2-tert-butylsilyloxypropan-2-yl)-1-methylindazol-3-yl]-5-(2-trimethylsilylethoxymethyl)pyrrolo[2,3-b]pyrazine-7-carboxamide

生成物 1

HCID 712794532-(5-hydroxymethyl-1-methyl-1H-indazol-3-yl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid tert-butylamide収率 47%

試薬・触媒・溶媒 1

HCID 8028Tetrahydrofuran溶媒

実験手順

To a solution of 2-[5-(tert-butyl-dimethyl-silanyloxymethyl)-1-methyl-1H-indazol-3-yl]-5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid tert-butylamide (106 mg, 0.17 mmol) in THF (2 mL) was added tetrabutylammonium fluoride (1.0 M in THF, 1.7 mL, 1.7 mmol). The reaction mixture was stirred at room temperature for 10 min then heated at reflux for 2 h. After cooling to room temperature, the reaction was quenched with water and extracted with EtOAc and then with 5% MeOH/CH2Cl2. The combined organic layers were dried over MgSO4 and concentrated. The residue was triturated with EtOAc/MeOH and the solids collected via filtration to afford 30 mg (47%) of 2-(5-hydroxymethyl-1-methyl-1H-indazol-3-yl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid tert-butylamide as a light yellow solid.

後処理

  1. temperaturethen heated
  2. temperatureat reflux for 2 h
  3. temperatureAfter cooling to room temperature
  4. customthe reaction was quenched with water
  5. extractionextracted with EtOAc
  6. dry with materialThe combined organic layers were dried over MgSO4
  7. concentrationconcentrated
  8. customThe residue was triturated with EtOAc/MeOH
  9. filtrationthe solids collected via filtration

出典と根拠

ORDレコード
ord-c63e7028e711420e80550f070b501587
出典データセット
uspto-grants-2014_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08658646B2

反応ノート

読み込み中…

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