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Lithium hydroxide, monohydrate → (R)-3-bromo-N-(2,4-dimethoxybenzyl)-1-(4,5,6,7-tetrahydro-1H-indazol-4-yl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine

HRID 62466
ノート
印刷プレビュー

反応式

HRID 62466 の反応式
[Br:1][C:2]1[C:10]2[C:5](=[N:6][CH:7]=[N:8][C:9]=2[NH:11][CH2:12][C:13]2[CH:18]=[CH:17][C:16]([O:19][CH3:20])=[CH:15][C:14]=2[O:21][CH3:22])[N:4]([C@@H:23]2[CH2:31][CH2:30][CH2:29][C:28]3[N:27](S(C4C=CC(C)=CC=4)(=O)=O)[N:26]=[CH:25][C:24]2=3)[N:3]=1.O[Li].O>C1COCC1>[Br:1][C:2]1[C:10]2[C:5](=[N:6][CH:7]=[N:8][C:9]=2[NH:11][CH2:12][C:13]2[CH:18]=[CH:17][C:16]([O:19][CH3:20])=[CH:15][C:14]=2[O:21][CH3:22])[N:4]([C@@H:23]2[CH2:31][CH2:30][CH2:29][C:28]3[NH:27][N:26]=[CH:25][C:24]2=3)[N:3]=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

4

反応物 2

HCID 168937Lithium hydroxide, monohydrateHCID 90303936(R)-3-bromo-N-(2,4-dimethoxybenzyl)-1-(1-tosyl-4,5,6,7-tetrahydro-1H-indazol-4-yl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine

生成物 1

HCID 90304068(R)-3-bromo-N-(2,4-dimethoxybenzyl)-1-(4,5,6,7-tetrahydro-1H-indazol-4-yl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine収率 92.3%

試薬・触媒・溶媒 1

HCID 8028Tetrahydrofuran溶媒

反応条件

温度
60 °C

実験手順

To a solution of (R)-3-bromo-N-(2,4-dimethoxybenzyl)-1-(1-tosyl-4,5,6,7-tetrahydro-1H-indazol-4-yl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine (400 mg, 0.626 mmol) in THF (6.3 mL) was added 1N LiOH.H2O (105 mg, 2.504 mmol), then the mixture was stirred for 8 h at 60° C. Removed the solvent under reduced pressure and extracted with DCM and the combined organic layer was washed with water, brine and dried over anhydrous Na2SO4. The organic layer was concentrated in vacuo and the residue (R)-3-bromo-N-(2,4-dimethoxybenzyl)-1-(4,5,6,7-tetrahydro-1H-indazol-4-yl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine (280 mg, yield 92.3%) was used directly to next step.

後処理

  1. customRemoved the solvent under reduced pressure
  2. extractionextracted with DCM
  3. washthe combined organic layer was washed with water, brine
  4. dry with materialdried over anhydrous Na2SO4
  5. concentrationThe organic layer was concentrated in vacuo

出典と根拠

ORDレコード
ord-21dfcf73380a4ef8a2fc1effe2d8518a
出典データセット
uspto-grants-2016_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09446130B2

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