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

HRID 74236
ノート
印刷プレビュー

反応式

HRID 74236 の反応式
[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
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

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

生成物 1

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

試薬・触媒・溶媒 1

HCID 6228
Dimethylformamide
溶媒

実験手順

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.

後処理

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

出典と根拠

ORDレコード
ord-3654201990e44b268913e761ca02e6fd
出典データセット
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08829035B2

反応ノート

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