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Potassium Carbonate → 2-[4-[2-(benzimidazol-2ylsulfinyl)ethyl]piperazin-1-yl]-N-[2-(methanesulfinyl)-6methyl-4-(methylthio)-3-pyridyl] acetamide

HRID 1064867
ノート
印刷プレビュー

反応式

HRID 1064867 の反応式
Br[CH2:2][C:3]([NH:5][C:6]1[C:7]([S:15]([CH3:17])=[O:16])=[N:8][C:9]([CH3:14])=[CH:10][C:11]=1[S:12][CH3:13])=[O:4].[N:18]1[C:22]2[CH:23]=[CH:24][CH:25]=[CH:26][C:21]=2[NH:20][C:19]=1[S:27]([CH2:29][CH2:30][N:31]1[CH2:36][CH2:35][NH:34][CH2:33][CH2:32]1)=[O:28].C(=O)([O-])[O-].[K+].[K+]>CN(C=O)C.O>[N:18]1[C:22]2[CH:23]=[CH:24][CH:25]=[CH:26][C:21]=2[NH:20][C:19]=1[S:27]([CH2:29][CH2:30][N:31]1[CH2:36][CH2:35][N:34]([CH2:2][C:3]([NH:5][C:6]2[C:7]([S:15]([CH3:17])=[O:16])=[N:8][C:9]([CH3:14])=[CH:10][C:11]=2[S:12][CH3:13])=[O:4])[CH2:33][CH2:32]1)=[O:28]
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 3

HCID 11430Potassium CarbonateHCID 222726272-bromo-N-[2(methanesulfinyl)-6-methyl-4-(methylthio)-3-pyridyl]acetamideHCID 22272679HCID 22272679、化合物

生成物 1

HCID 222725852-[4-[2-(benzimidazol-2ylsulfinyl)ethyl]piperazin-1-yl]-N-[2-(methanesulfinyl)-6methyl-4-(methylthio)-3-pyridyl] acetamide収率 49.6%

試薬・触媒・溶媒 2

HCID 962
Water
溶媒
HCID 6228Dimethylformamide溶媒

実験手順

To a solution of this sulfoxide (21.4 mg, 0.063 mmol) in DMF (1 ml) were added 1-[2-(benzimidazol-2-ylsulfinyl)ethyl]piperazine (17.6 mg, 0.063 mmol) obtained in Example 146 and potassium carbonate (17.5 mg, 0.127 mmol), and stirred for 12 hours. The reaction solution was diluted with water and extracted with ethyl acetate. The organic layer was washed with water and a saturated sodium chloride solution successively, dried over anhydrous sodium sulfate and concentrated in vacuo. The resulting residue was purified by a silica gel preparative thin layer chromatography (developing solvent; chloroform:sat. ammonia methanol=5:1) to provide 16.7 mg (yield 49%) of the desired compound as pale yellow oil. IR (KBr) cm−1: 3190, 2993, 1674, 1571, 1484. 1H-NMR (CD3OD) δ: 2.15-2.65 (14H, m), 2.63-2.84 (5H, m), 2.89 (2H, s), 3.34 (1H, dt, J=12.0, 6.0 Hz), 3.43 (1H, dt, J=12.0, 6.0 Hz), 7.22 (1H, s), 7.23-7.28 (2H, m), 7.55-7.59 (2H, m).

後処理

  1. extractionextracted with ethyl acetate
  2. washThe organic layer was washed with water
  3. dry with materiala saturated sodium chloride solution successively, dried over anhydrous sodium sulfate
  4. concentrationconcentrated in vacuo
  5. customThe resulting residue was purified by a silica gel preparative thin layer chromatography (developing solvent; chloroform:sat. ammonia methanol=5:1)

出典と根拠

ORDレコード
ord-a185c7c903b14a06a6ae28679af2043a
出典データセット
uspto-grants-2005_11
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06969711B2

反応ノート

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