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3-Furaldehyde → 5-(Benzoxazol-2-yl)-2-(furan-3-yl)-1-(tetrahydropyran-4-yl)benzimidazole

HRID 74236
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HRID 74236 반응식
[O:1]1[C:5]2[CH:6]=[CH:7][CH:8]=[CH:9][C:4]=2[N:3]=[C:2]1[C:10]1[CH:11]=[CH:12][C:13]([NH:17][CH:18]2[CH2:23][CH2:22][O:21][CH2:20][CH2:19]2)=[C:14]([CH:16]=1)[NH2:15].[O:24]1[CH:28]=[CH:27][C:26]([CH:29]=O)=[CH:25]1.OOS([O-])=O.[K+].C(=O)([O-])[O-].[K+].[K+]>CN(C)C=O>[O:1]1[C:5]2[CH:6]=[CH:7][CH:8]=[CH:9][C:4]=2[N:3]=[C:2]1[C:10]1[CH:11]=[CH:12][C:13]2[N:17]([CH:18]3[CH2:23][CH2:22][O:21][CH2:20][CH2:19]3)[C:29]([C:26]3[CH:27]=[CH:28][O:24][CH:25]=3)=[N:15][C:14]=2[CH:16]=1
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참가 물질

6

반응물 4

HCID 103513-FuraldehydeHCID 11430Potassium CarbonateHCID 23707502Potassium hydroxy sulfiteHCID 674988065-(Benzoxazol-2-yl)-2-(tetrahydropyran-4-yl)aminoaniline

생성물 1

HCID 498214595-(Benzoxazol-2-yl)-2-(furan-3-yl)-1-(tetrahydropyran-4-yl)benzimidazole수율 69%

시약·촉매·용매 1

HCID 6228
Dimethylformamide
용매

실험 절차

To a solution of 5-(benzoxazol-2-yl)-2-(tetrahydropyran-4-yl)aminoaniline (see Working Example 20-2) (200 mg, 0.646 mmol) in dimethylformamide (2 mL) was added 3-furaldehyde (80.7 mg, 0.840 mmol) and oxone (258 mg, 0.420 mmol), and this was stirred at room temperature for 3 hours. After the reaction was complete, aqueous potassium carbonate solution was added, this was filtered and washed with water. The crystals obtained were purified by silica gel column chromatography to yield the title compound (171 mg, 69% yield) as pale yellow crystals.

후처리

  1. filtrationthis was filtered
  2. washwashed with water
  3. customThe crystals obtained
  4. customwere purified by silica gel column chromatography

출처 및 근거

ORD 기록
ord-3654201990e44b268913e761ca02e6fd
출처 데이터셋
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08829035B2

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