Triethylamine → tert-butyl 2-{[3-methoxy-4-(4-methyl-1H-imidazol-1-yl)phenyl]carbonyl}hydrazinecarboxylate

HRID 71139

反応式

HRID 71139 の反応式
[CH3:1][O:2][C:3]1[CH:4]=[C:5]([CH:9]=[CH:10][C:11]=1[N:12]1[CH:16]=[C:15]([CH3:17])[N:14]=[CH:13]1)[C:6]([OH:8])=O.[NH:18]([C:20]([O:22][C:23]([CH3:26])([CH3:25])[CH3:24])=[O:21])[NH2:19].C(P(C#N)(CC)=O)C.C(N(CC)CC)C>CN(C=O)C.O>[CH3:1][O:2][C:3]1[CH:4]=[C:5]([C:6]([NH:19][NH:18][C:20]([O:22][C:23]([CH3:26])([CH3:25])[CH3:24])=[O:21])=[O:8])[CH:9]=[CH:10][C:11]=1[N:12]1[CH:16]=[C:15]([CH3:17])[N:14]=[CH:13]1

参加物

7

実験手順

To a mixture of 3-methoxy-4-(4-methyl-1H-imidazol-1-yl)benzoic acid (12.1 g) and tert-butyl hydrazinecarboxylate (7.61 g) in DMF (100 mL) was added diethyl phosphoryl cyanide (8.55 mL) at room temperature. After stirring at room temperature for 30 min, triethylamine (21.6 mL) was added, and the mixture was stirred overnight. Water was added to the reaction mixture, and the mixture was extracted with ethyl acetate. The extract was washed with water and saturated brine, and dried over anhydrous magnesium sulfate, and the solvent was evaporated under reduced pressure. The residue was purified by silica gel column chromatography (ethyl acetate/hexane) to give the title compound (8.00 g).

後処理

  1. stirringthe mixture was stirred overnight
  2. extractionthe mixture was extracted with ethyl acetate
  3. washThe extract was washed with water and saturated brine
  4. dry with materialdried over anhydrous magnesium sulfate
  5. customthe solvent was evaporated under reduced pressure
  6. customThe residue was purified by silica gel column chromatography (ethyl acetate/hexane)

出典と根拠

ORDレコード
ord-3792cda2947945bb985eb21bbdc96d17
出典データセット
uspto-grants-2014_09
特許番号
US08822699B2

関連ノート

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