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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
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HRID 1972541 반응식
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
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참가 물질

6

반응물 3

HCID 795ImidazoleHCID 10796Cesium carbonateHCID 86670301((2R)-4-(2-thiophenylsulfonyl)-1-(4-(2,2,2-trifluoro-1-hydroxy-1-methylethyl)phenyl)-2-piperazinyl)methyl methanesulfonate2회

생성물 1

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

시약·촉매·용매 2

HCID 962
Water
용매
HCID 6342Acetonitrile용매

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온도
80 °C

실험 절차

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.

후처리

  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

출처 및 근거

ORD 기록
ord-f52feb78083f477397f115bae32ad44c
출처 데이터셋
uspto-grants-2013_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08431563B2

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