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Water → 6-chloro-N5-cyclopropyl-1-ethyl-N2-{2,2,2-trifluoro-1-[3-(trifluoromethyl)phenyl]ethyl}-1H-benzimidazole-2,5-dicarboxamide

HRID 514261
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HRID 514261 반응식
[Cl:1][C:2]1[C:3]([C:29]([NH:31][CH:32]2[CH2:34][CH2:33]2)=[O:30])=[CH:4][C:5]2[N:9]=[C:8]([C:10]([NH:12][CH:13]([C:18]3[CH:23]=[CH:22][CH:21]=[C:20]([C:24]([F:27])([F:26])[F:25])[CH:19]=3)[C:14]([F:17])([F:16])[F:15])=[O:11])[NH:7][C:6]=2[CH:28]=1.[H-].[Na+].I[CH2:38][CH3:39].O>CN(C)C=O.C(OCC)(=O)C>[Cl:1][C:2]1[C:3]([C:29]([NH:31][CH:32]2[CH2:34][CH2:33]2)=[O:30])=[CH:4][C:5]2[N:9]([CH2:38][CH3:39])[C:8]([C:10]([NH:12][CH:13]([C:18]3[CH:23]=[CH:22][CH:21]=[C:20]([C:24]([F:25])([F:27])[F:26])[CH:19]=3)[C:14]([F:15])([F:16])[F:17])=[O:11])=[N:7][C:6]=2[CH:28]=1.[Cl:1][C:2]1[C:3]([C:29]([NH:31][CH:32]2[CH2:34][CH2:33]2)=[O:30])=[CH:4][C:5]2[N:9]=[C:8]([C:10]([NH:12][CH:13]([C:18]3[CH:23]=[CH:22][CH:21]=[C:20]([C:24]([F:25])([F:27])[F:26])[CH:19]=3)[C:14]([F:15])([F:16])[F:17])=[O:11])[N:7]([CH2:38][CH3:39])[C:6]=2[CH:28]=1
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참가 물질

8

반응물 4

HCID 962WaterHCID 6340IodoethaneHCID 24758Sodium hydrideHCID 867139816-chloro-N5-cyclopropyl-N2-{2,2,2-trifluoro-1-[3-(trifluoromethyl)phenyl]ethyl}-1H-benzimidazole-2,5-dicarboxamide

생성물 2

HCID 867139825-chloro-N6-cyclopropyl-1-ethyl-N2-{2,2,2-trifluoro-1-[3-(trifluoromethyl)phenyl]ethyl}-1H-benzimidazole-2,6-dicarboxamide수율 12%
HCID 86713983
6-chloro-N5-cyclopropyl-1-ethyl-N2-{2,2,2-trifluoro-1-[3-(trifluoromethyl)phenyl]ethyl}-1H-benzimidazole-2,5-dicarboxamide
수율 18%

시약·촉매·용매 2

HCID 6228Dimethylformamide용매HCID 8857Ethyl Acetate용매

실험 절차

6-Chloro-N5-cyclopropyl-N2-{2,2,2-trifluoro-1-[3-(trifluoromethyl)phenyl]ethyl}-1H-benzimidazole-2,5-dicarboxamide (0.1 g, 0.22 mmol) was dissolved under argon at 0° C. in N,N-dimethylformamide (2 ml). Sodium hydride (60%; 0.0082 g, 0.22 mmol) was added and the mixture was stirred while cooling with ice for 1 h. Subsequently, iodoethane (0.034 g, 0.22 mmol) was added dropwise. The reaction mixture was thawed while stirring within 16 h. Water and ethyl acetate were added and the phases were separated. The organic phase was washed with saturated sodium chloride solution and dried over magnesium sulphate, and the solvent was removed under reduced pressure. The residue was chromatographed with cyclohexane/ethyl acetate (4/1) and gave 0.012 g (12% of theory) of 5-chloro-N6-cyclopropyl-1-ethyl-N2-{2,2,2-trifluoro-1-[3-(trifluoromethyl)phenyl]ethyl}-1H-benzimidazole-2,6-dicarboxamide and 0.018 g (18% of theory) of 6-chloro-N5-cyclopropyl-1-ethyl-N2-{2,2,2-trifluoro-1-[3-(trifluoromethyl)phenyl]ethyl}-1H-benzimidazole-2,5-dicarboxamide.

후처리

  1. temperaturewhile cooling with ice for 1 h
  2. stirringwhile stirring within 16 h
  3. customthe phases were separated
  4. washThe organic phase was washed with saturated sodium chloride solution
  5. dry with materialdried over magnesium sulphate
  6. customthe solvent was removed under reduced pressure
  7. customThe residue was chromatographed with cyclohexane/ethyl acetate (4/1)

출처 및 근거

ORD 기록
ord-0667cc94e98f4682800072af02b38372
출처 데이터셋
uspto-grants-2015_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09107411B2

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