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Cyanogen Bromide → 6-[5-[2-(3-fluorophenyl)ethyl]-1,3,4-oxadiazol-2-yl]-1-(4-methoxyphenyl)-1H-benzimidazol-2-amine

HRID 452743
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HRID 452743 반응식
[F:1][C:2]1[CH:3]=[C:4]([CH2:8][CH2:9][C:10]2[O:14][C:13]([C:15]3[CH:16]=[C:17]([NH:22][C:23]4[CH:28]=[CH:27][C:26]([O:29][CH3:30])=[CH:25][CH:24]=4)[C:18]([NH2:21])=[CH:19][CH:20]=3)=[N:12][N:11]=2)[CH:5]=[CH:6][CH:7]=1.[N:31]#[C:32]Br.C(=O)([O-])O.[Na+]>C(O)C>[F:1][C:2]1[CH:3]=[C:4]([CH2:8][CH2:9][C:10]2[O:14][C:13]([C:15]3[CH:20]=[CH:19][C:18]4[N:21]=[C:32]([NH2:31])[N:22]([C:23]5[CH:24]=[CH:25][C:26]([O:29][CH3:30])=[CH:27][CH:28]=5)[C:17]=4[CH:16]=3)=[N:12][N:11]=2)[CH:5]=[CH:6][CH:7]=1
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참가 물질

5

반응물 3

HCID 10476Cyanogen BromideHCID 516892Sodium BicarbonateHCID 686641364-[5-[2-(3-fluorophenyl)ethyl]-1,3,4-oxadiazol-2-yl]-N2-(4-methoxyphenyl)benzene-1,2-diamine

생성물 1

HCID 686633666-[5-[2-(3-fluorophenyl)ethyl]-1,3,4-oxadiazol-2-yl]-1-(4-methoxyphenyl)-1H-benzimidazol-2-amine수율 62%

시약·촉매·용매 1

HCID 702Ethanol
용매

실험 절차

A solution of 4-[5-[2-(3-fluorophenyl)ethyl]-1,3,4-oxadiazol-2-yl]-N2-(4-methoxyphenyl)benzene-1,2-diamine (0.20 g, 0.49 mmol) and cyanogen bromide (0.11 g, 1.03 mmol) in ethanol (5 mL) was stirred at 60° C. for 4 hr. After cooling, saturated aqueous sodium hydrogen carbonate solution was added to the reaction mixture, and the mixture was extracted with ethyl acetate. The organic layer was washed with saturated brine, dried over anhydrous magnesium sulfate and concentrated under reduced pressure. The residue was purified by basic silica gel column chromatography (hexane/ethyl acetate=1/2-1/3) to give the title compound (0.13 g, yield 62%) as colorless crystals.

후처리

  1. temperatureAfter cooling
  2. extractionthe mixture was extracted with ethyl acetate
  3. washThe organic layer was washed with saturated brine
  4. dry with materialdried over anhydrous magnesium sulfate
  5. concentrationconcentrated under reduced pressure
  6. customThe residue was purified by basic silica gel column chromatography (hexane/ethyl acetate=1/2-1/3)

출처 및 근거

ORD 기록
ord-a4231a410a4b4b0a9ff4626bfda51ce3
출처 데이터셋
uspto-grants-2013_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08492378B2

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