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Water → 4-(1-cyclopentyl-4-oxo-4,5-dihydro-1H-pyrazolo[4,3-c]pyridin-3-yl)-N-(2-hydroxyethyl)thiophene-2-carboxamide

HRID 2206160
ノート
印刷プレビュー

反応式

HRID 2206160 の反応式
[CH:1]1([N:6]2[C:14]3[CH:13]=[CH:12][N:11]=[C:10]([O:15]C)[C:9]=3[C:8]([C:17]3[CH:18]=[C:19]([C:22]([NH:24][CH2:25][CH2:26][OH:27])=[O:23])[S:20][CH:21]=3)=[N:7]2)[CH2:5][CH2:4][CH2:3][CH2:2]1.[I-].[Na+].Cl[Si](C)(C)C.O>C(#N)C>[CH:1]1([N:6]2[C:14]3[CH:13]=[CH:12][NH:11][C:10](=[O:15])[C:9]=3[C:8]([C:17]3[CH:18]=[C:19]([C:22]([NH:24][CH2:25][CH2:26][OH:27])=[O:23])[S:20][CH:21]=3)=[N:7]2)[CH2:2][CH2:3][CH2:4][CH2:5]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

6

反応物 4

HCID 962WaterHCID 5238Sodium IodideHCID 6397ChlorotrimethylsilaneHCID 1179882034-(1-cyclopentyl-4-methoxy-1H-pyrazolo[4,3-c]pyridin-3-yl)-N-(2-hydroxyethyl)thiophene-2-carboxamide

生成物 1

HCID 1370107124-(1-cyclopentyl-4-oxo-4,5-dihydro-1H-pyrazolo[4,3-c]pyridin-3-yl)-N-(2-hydroxyethyl)thiophene-2-carboxamide収率 81.2%

試薬・触媒・溶媒 1

HCID 6342Acetonitrile溶媒

反応条件

温度
60 °C

実験手順

To a solution of 4-(1-cyclopentyl-4-methoxy-1H-pyrazolo[4,3-c]pyridin-3-yl)-N-(2-hydroxyethyl)thiophene-2-carboxamide (62.6 mg) in acetonitrile (10 mL) were added sodium iodide (48.6 mg) and chloro(trimethyl)silane (0.164 mL), and the mixture was stirred at 60° C. for 30 min. To the reaction mixture was added water, and the mixture was extracted with ethyl acetate. The organic layer was washed with saturated brine, dried over anhydrous sodium sulfate, and concentrated under reduced pressure. The residue was purified by silica gel column chromatography (ethyl acetate/hexane/methanol), and the obtained solid was washed with ethyl acetate/diisopropyl ether to give the title compound (49.0 mg).

後処理

  1. extractionthe mixture was extracted with ethyl acetate
  2. washThe organic layer was washed with saturated brine
  3. dry with materialdried over anhydrous sodium sulfate
  4. concentrationconcentrated under reduced pressure
  5. customThe residue was purified by silica gel column chromatography (ethyl acetate/hexane/methanol)
  6. washthe obtained solid was washed with ethyl acetate/diisopropyl ether

出典と根拠

ORDレコード
ord-6edf200344f64fe6a6f617525bb7c3a1
出典データセット
uspto-grants-2016_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09371320B2

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