Acetic Anhydride → 7-[N-acetyl-N-(4-Chlorophenyl)amino]-3-(4-methoxybenzyl)-1-methyl-1,3-dihydro-2H-benzimidazol-2-one

HRID 2235559ノート

反応式

HRID 2235559 の反応式
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([NH:8][C:9]2[C:17]3[N:16]([CH3:18])[C:15](=[O:19])[N:14]([CH2:20][C:21]4[CH:26]=[CH:25][C:24]([O:27][CH3:28])=[CH:23][CH:22]=4)[C:13]=3[CH:12]=[CH:11][CH:10]=2)=[CH:4][CH:3]=1.[C:29](OC(=O)C)(=[O:31])[CH3:30]>N1C=CC=CC=1>[Cl:1][C:2]1[CH:3]=[CH:4][C:5]([N:8]([C:9]2[C:17]3[N:16]([CH3:18])[C:15](=[O:19])[N:14]([CH2:20][C:21]4[CH:22]=[CH:23][C:24]([O:27][CH3:28])=[CH:25][CH:26]=4)[C:13]=3[CH:12]=[CH:11][CH:10]=2)[C:29](=[O:31])[CH3:30])=[CH:6][CH:7]=1

参加物

4

反応物 2

HCID 7918Acetic AnhydrideHCID 685810534-[(4-chlorophenyl)amino]-1-(4-methoxybenzyl)-3-methyl-1,3-dihydro-2H-benzimidazol-2-one

生成物 1

HCID 685832027-[N-acetyl-N-(4-Chlorophenyl)amino]-3-(4-methoxybenzyl)-1-methyl-1,3-dihydro-2H-benzimidazol-2-one

試薬・触媒・溶媒 1

HCID 1049Pyridine溶媒

反応条件

温度
120 °C

実験手順

A mixture of 4-[(4-chlorophenyl)amino]-1-(4-methoxybenzyl)-3-methyl-1,3-dihydro-2H-benzimidazol-2-one (0.393 g, 1.0 mmol), pyridine (0.1 ml) and acetic anhydride (10 ml) was heated at 120° C. for 4 days. The mixture was evaporated in vacuo. The residue was diluted with ethyl acetate (50 ml), washed with saturated sodium bicarbonate, dried over magnesium sulfate and evaporated in vacuo. The residue was flash chromatographed eluting with 40-50% ethyl acetate/hexanes to give N-(4-chlorophenyl)-N-[1-(4-methoxybenzyl)-3-methyl-2-oxo-2,3-dihydro-1H-benzimidazol-4-yl]acetamide (0.388 g, quant.) as an oil.

後処理

  1. customThe mixture was evaporated in vacuo
  2. additionThe residue was diluted with ethyl acetate (50 ml)
  3. washwashed with saturated sodium bicarbonate
  4. dry with materialdried over magnesium sulfate
  5. customevaporated in vacuo
  6. customchromatographed
  7. washeluting with 40-50% ethyl acetate/hexanes

出典と根拠

ORDレコード
ord-38709787dc564bdfbbd06675dbae8d03
出典データセット
uspto-grants-2010_05
特許番号
US07714009B2

反応ノート

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