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Toluene → 5-(3,5-Dimethylphenylthio)-4-isopropyl-1-[2-(1-methoxycyclopentyloxy)ethoxymethyl]-2-methyl-1H-imidazole

HRID 1005503
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HRID 1005503 반응식
[CH3:1][C:2]1[CH:3]=[C:4]([S:9][C:10]2[N:14]([CH2:15][O:16][CH2:17][CH2:18][OH:19])[C:13]([CH3:20])=[N:12][C:11]=2[CH:21]([CH3:23])[CH3:22])[CH:5]=[C:6]([CH3:8])[CH:7]=1.O.C1(C)C=CC(S(O)(=O)=O)=CC=1.C1(C)C=CC=CC=1.[CH3:43][O:44][C:45]1(OC)[CH2:49][CH2:48][CH2:47][CH2:46]1>C(Cl)Cl.C(N(CC)CC)C>[CH3:8][C:6]1[CH:5]=[C:4]([S:9][C:10]2[N:14]([CH2:15][O:16][CH2:17][CH2:18][O:19][C:45]3([O:44][CH3:43])[CH2:49][CH2:48][CH2:47][CH2:46]3)[C:13]([CH3:20])=[N:12][C:11]=2[CH:21]([CH3:23])[CH3:22])[CH:3]=[C:2]([CH3:1])[CH:7]=1
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참가 물질

7

반응물 4

HCID 1140TolueneHCID 4781802-[5-(3,5-Dimethyl-phenylsulfanyl)-4-isopropyl-2-methyl-imidazol-1-ylmethoxy]-ethanolHCID 521998p-Toluenesulfonic acid monohydrateHCID 5230521,1-Dimethoxy-cyclopentane

생성물 1

HCID 158871845-(3,5-Dimethylphenylthio)-4-isopropyl-1-[2-(1-methoxycyclopentyloxy)ethoxymethyl]-2-methyl-1H-imidazole수율 73.2%

시약·촉매·용매

2
HCID 6344Dichloromethane용매HCID 8471Triethylamine용매

실험 절차

A solution of 5-(3,5-dimethylphenylthio)-4-isopropyl-1-(2-hydroxyethoxymethyl)-2-methyl-1H-imidazole (1) (301 mg, 0.9 mmol) prepared in accordance with the method as described in WO 96/10019 and p-toluenesulfonic acid hydrate (180 mg, 0.945 mmol) in a mixture of methylene chloride (5 mL) - toluene (1 mL) was concentrated under reduced pressure. The obtained residue was dissolved in methylene chloride (9 mL), to which was added 1,1-dimethoxycyclopentane (1.17 g, 9.00 mmol), and the mixture was stirred for 3 hours. Triethylamine (0.19 mL) was added to the reaction mixture, and the mixture was concentrated under reduced pressure. The residue was purified by chromatography on an alumina column (eluate: hexane - ethyl acetate (2:1)) to give the compound 2 (285 mg, 73 %) as oil. Rf 0.45 (Al2O3 60, Type E, 2:1 hexane -EtOAc).

후처리

  1. concentrationwas concentrated under reduced pressure
  2. dissolutionThe obtained residue was dissolved in methylene chloride (9 mL), to which
  3. concentrationthe mixture was concentrated under reduced pressure
  4. customThe residue was purified by chromatography on an alumina column (eluate: hexane - ethyl acetate (2:1))

출처 및 근거

ORD 기록
ord-1f6688f008bf4fcc9f79d4cef457f625
출처 데이터셋
uspto-grants-2000_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06054591

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