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Imidazole → 2-(4-((S)-2-((1H-imidazol-1-yl)methyl)-4-(thiophen-2-ylsulfonyl)piperazin-1-yl)phenyl)-1,1,1-trifluoro-2-propanol

HRID 1972541
ノート
印刷プレビュー

反応式

HRID 1972541 の反応式
CS(O[CH2:6][C@H:7]1[CH2:12][N:11]([S:13]([C:16]2[S:17][CH:18]=[CH:19][CH:20]=2)(=[O:15])=[O:14])[CH2:10][CH2:9][N:8]1[C:21]1[CH:26]=[CH:25][C:24]([C:27]([OH:33])([CH3:32])[C:28]([F:31])([F:30])[F:29])=[CH:23][CH:22]=1)(=O)=O.[NH:34]1[CH:38]=[CH:37][N:36]=[CH:35]1.C(=O)([O-])[O-].[Cs+].[Cs+]>C(#N)C.O>[N:34]1([CH2:6][C@H:7]2[CH2:12][N:11]([S:13]([C:16]3[S:17][CH:18]=[CH:19][CH:20]=3)(=[O:15])=[O:14])[CH2:10][CH2:9][N:8]2[C:21]2[CH:26]=[CH:25][C:24]([C:27]([OH:33])([CH3:32])[C:28]([F:31])([F:29])[F:30])=[CH:23][CH:22]=2)[CH:38]=[CH:37][N:36]=[CH:35]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 3

HCID 795ImidazoleHCID 10796Cesium carbonateHCID 86670301((2R)-4-(2-thiophenylsulfonyl)-1-(4-(2,2,2-trifluoro-1-hydroxy-1-methylethyl)phenyl)-2-piperazinyl)methyl methanesulfonate2 回

生成物 1

HCID 665823322-(4-((S)-2-((1H-imidazol-1-yl)methyl)-4-(thiophen-2-ylsulfonyl)piperazin-1-yl)phenyl)-1,1,1-trifluoro-2-propanol収率 77.7%

試薬・触媒・溶媒 2

HCID 962
Water
溶媒
HCID 6342Acetonitrile溶媒

反応条件

温度
80 °C

実験手順

To a 50-mL round-bottomed flask was added ((2R)-4-(thiophen-2-ylsulfonyl)-1-(4-(1,1,1-trifluoro-2-hydroxypropan-2-yl)phenyl)piperazin-2-yl)methyl methanesulfonate (38 mg, 0.072 mmol, Intermediate B), imidazole (7 mg, 0.11 mmol, Aldrich, St. Louis, Mo.) and cesium carbonate (46 mg, 0.14 mmol) in acetonitrile (2 mL). The reaction mixture was stirred at 80° C. for 18 h. The reaction mixture was diluted with water (10 mL) and extracted with CH2Cl2 (2×40 mL). The organic extracts were washed with saturated NaCl (10 mL) and dried over Na2SO4. The solution was filtered and concentrated in vacuo to give the crude material as an off-white glass. The crude product was purified by silica gel chromatography, eluting with 5% MeOH in EtOAc to give 2-(4-((S)-2-((1H-imidazol-1-yl)methyl)-4-(thiophen-2-ylsulfonyl)piperazin-1-yl)phenyl)-1,1,1-trifluoro-2-propanol (28 mg) as a white solid.

後処理

  1. extractionextracted with CH2Cl2 (2×40 mL)
  2. washThe organic extracts were washed with saturated NaCl (10 mL)
  3. dry with materialdried over Na2SO4
  4. filtrationThe solution was filtered
  5. concentrationconcentrated in vacuo
  6. customto give the crude material as an off-white glass
  7. customThe crude product was purified by silica gel chromatography
  8. washeluting with 5% MeOH in EtOAc

出典と根拠

ORDレコード
ord-f52feb78083f477397f115bae32ad44c
出典データセット
uspto-grants-2013_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08431563B2

反応ノート

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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