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Methanesulfonyl chloride → methanesulfonic acid 4-bromo-2-(4-isopropyl-phenyl)-7-methoxy-1-(2-methoxy-ethyl)-1H-benzoimidazol-5-ylmethyl ester

HRID 1661937
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HRID 1661937 반응식
[Br:1][C:2]1[C:10]2[N:9]=[C:8]([C:11]3[CH:16]=[CH:15][C:14]([CH:17]([CH3:19])[CH3:18])=[CH:13][CH:12]=3)[N:7]([CH2:20][CH2:21][O:22][CH3:23])[C:6]=2[C:5]([O:24][CH3:25])=[CH:4][C:3]=1[CH2:26][OH:27].[CH3:28][S:29](Cl)(=[O:31])=[O:30].C(N(C(C)C)CC)(C)C>ClCCl>[Br:1][C:2]1[C:10]2[N:9]=[C:8]([C:11]3[CH:12]=[CH:13][C:14]([CH:17]([CH3:19])[CH3:18])=[CH:15][CH:16]=3)[N:7]([CH2:20][CH2:21][O:22][CH3:23])[C:6]=2[C:5]([O:24][CH3:25])=[CH:4][C:3]=1[CH2:26][O:27][S:29]([CH3:28])(=[O:31])=[O:30]
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참가 물질

5

반응물 3

HCID 31297Methanesulfonyl chlorideHCID 81531DiisopropylethylamineHCID 57771990[4-bromo-2-(4-isopropyl-phenyl)-7-methoxy-1-(2-methoxy-ethyl)-1H-benzoimidazol-5-yl]-methanol

생성물 1

HCID 57771995methanesulfonic acid 4-bromo-2-(4-isopropyl-phenyl)-7-methoxy-1-(2-methoxy-ethyl)-1H-benzoimidazol-5-ylmethyl ester수율 102%

시약·촉매·용매 1

HCID 6344
Dichloromethane
용매

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온도
0 °C

실험 절차

A mixture of 100 mg (0.23 mmol) [4-bromo-2-(4-isopropyl-phenyl)-7-methoxy-1-(2-methoxy-ethyl)-1H-benzoimidazol-5-yl]-methanol, 26 μl (0.33 mmol) methanesulfonyl chloride and 60 μl (0.35 mmol) diisopropylethylamine in 4 ml dichloromethane is stirred at 0° C. for 2 h. The reaction mixture is poured on water and extracted (3×) with ethyl acetate. The combined organic layers are washed with water (2×) and brine, dried over MgSO4, filtered and concentrated in vacuo to afford 120 mg of the title compound as an oil that is used directly in the next reaction.

후처리

  1. additionThe reaction mixture is poured on water
  2. extractionextracted (3×) with ethyl acetate
  3. washThe combined organic layers are washed with water (2×) and brine
  4. dry with materialdried over MgSO4
  5. filtrationfiltered
  6. concentrationconcentrated in vacuo

출처 및 근거

ORD 기록
ord-17e50a716b394353a11c0a91b2e40d45
출처 데이터셋
uspto-grants-2011_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08030497B2

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