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Triethylamine → 8-Chloro-1-(2,4-dichloro-6-methylphenyl)-2,3-dihydro imidazo[1,2-a]benzimidazole-5-carbaldehyde

HRID 1628948
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HRID 1628948 반응식
[Cl:1][C:2]1[C:10]2[N:9]=[C:8]3[N:11]([C:14]4[C:19]([CH3:20])=[CH:18][C:17]([Cl:21])=[CH:16][C:15]=4[Cl:22])[CH2:12][CH2:13][N:7]3[C:6]=2[C:5]([CH2:23][OH:24])=[CH:4][CH:3]=1.C(N(CC)CC)C.C(=O)([O-])O.[Na+]>CS(C)=O>[Cl:1][C:2]1[CH:3]=[CH:4][C:5]([CH:23]=[O:24])=[C:6]2[C:10]=1[N:9]=[C:8]1[N:11]([C:14]3[C:19]([CH3:20])=[CH:18][C:17]([Cl:21])=[CH:16][C:15]=3[Cl:22])[CH2:12][CH2:13][N:7]21
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참가 물질

5

반응물 3

HCID 8471TriethylamineHCID 516892Sodium BicarbonateHCID 57785983[8-chloro-1-(2,4-dichloro-6-methylphenyl)-2,3-dihydro-1H-imidazo[1,2-a]benzimidazol-5-yl]methanol

생성물 1

HCID 577862078-Chloro-1-(2,4-dichloro-6-methylphenyl)-2,3-dihydro imidazo[1,2-a]benzimidazole-5-carbaldehyde수율 87%

시약·촉매·용매 1

HCID 679Dimethyl Sulfoxide
용매

실험 절차

To a solution of [8-chloro-1-(2,4-dichloro-6-methylphenyl)-2,3-dihydro-1H-imidazo[1,2-a]benzimidazol-5-yl]methanol (163 mg, 0.426 mmol) and triethylamine (0.48 mL, 3.44 mmol) in dimethylsulfoxide (5.0 mL) was added sulfur trioxide-pyridine complex (0.44 g, 2.76 mmol) at room temperature. The mixture was stirred at room temperature for 24 hr. Aqueous sodium hydrogen carbonate was added dropwise to the reaction mixture at room temperature. The precipitated solid was collected by filtration. The solid was washed with water, 2-propanol and diisopropyl ether to give the title compound (140.8 mg, 0.37 mmol, 87%) as a pale yellow solid.

후처리

  1. filtrationThe precipitated solid was collected by filtration
  2. washThe solid was washed with water, 2-propanol and diisopropyl ether

출처 및 근거

ORD 기록
ord-beb6e5b0256743e6b7f420400c6cbff5
출처 데이터셋
uspto-grants-2014_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08785460B2

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