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Acetic Acid → 2-(2,4-Dichloro-6-methylphenoxy)-7-(1-ethylpropyl)-1-methyl-4-(pyrrolidin-1-ylmethyl)-1H-benzimidazole

HRID 1698595
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HRID 1698595 반응식
[Cl:1][C:2]1[CH:25]=[C:24]([Cl:26])[CH:23]=[C:22]([CH3:27])[C:3]=1[O:4][C:5]1[N:9]([CH3:10])[C:8]2[C:11]([CH:17]([CH2:20][CH3:21])[CH2:18][CH3:19])=[CH:12][CH:13]=[C:14]([CH:15]=O)[C:7]=2[N:6]=1.[NH:28]1[CH2:32][CH2:31][CH2:30][CH2:29]1.C(O)(=O)C.C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+]>C(=O)(O)[O-].[Na+].C(OCC)(=O)C>[Cl:1][C:2]1[CH:25]=[C:24]([Cl:26])[CH:23]=[C:22]([CH3:27])[C:3]=1[O:4][C:5]1[N:9]([CH3:10])[C:8]2[C:11]([CH:17]([CH2:20][CH3:21])[CH2:18][CH3:19])=[CH:12][CH:13]=[C:14]([CH2:15][N:28]3[CH2:32][CH2:31][CH2:30][CH2:29]3)[C:7]=2[N:6]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 4

HCID 176Acetic AcidHCID 31268PyrrolidineHCID 5049666Sodium triacetoxyborohydrideHCID 580123672-(2,4-Dichloro-6-methylphenoxy)-7-(1-ethylpropyl)-1-methyl-1H-benzimidazole-4-carbaldehyde

생성물 1

HCID 580123062-(2,4-Dichloro-6-methylphenoxy)-7-(1-ethylpropyl)-1-methyl-4-(pyrrolidin-1-ylmethyl)-1H-benzimidazole수율 95.7%

시약·촉매·용매

2
HCID 8857Ethyl Acetate용매HCID 516892Sodium Bicarbonate용매

실험 절차

To a mixture of 2-(2,4-dichloro-6-methylphenoxy)-7-(1-ethylpropyl)-1-methyl-1H-benzimidazole-4-carbaldehyde (93 mg, 0.23 mmol), pyrrolidine (33 mg, 0.46 mmol), acetic acid (0.5 ml) and ethyl acetate (1.5 ml) was added sodium triacetoxyborohydride (244 mg, 1.15 mmol) and the reaction mixture was stirred at room temperature for 1 h. The residue was diluted with aqueous saturated sodium bicarbonate and extracted with ethyl acetate. The extracts were washed with water, dried over magnesium sulfate and concentrated in vacuo. The residue was purified by column chromatography on alumina with a 5% ethyl acetate/n-hexane to give 100 mg (0.22 mmol, 94%) of the title compound as a white powder.

후처리

  1. extractionextracted with ethyl acetate
  2. washThe extracts were washed with water
  3. dry with materialdried over magnesium sulfate
  4. concentrationconcentrated in vacuo
  5. customThe residue was purified by column chromatography on alumina with a 5% ethyl acetate/n-hexane

출처 및 근거

ORD 기록
ord-300106ebfb3c40ed9a40868eac6d6c18
출처 데이터셋
uspto-grants-2012_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08163935B2

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