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Ethyl chloroacetate → Ethyl[3-(4-chlorophenyl)-4-(4-methoxyphenylmethyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl]-acetate

HRID 660856
ノート
印刷プレビュー

反応式

HRID 660856 の反応式
C(=O)([O-])[O-].[K+].[K+].[Cl:7][C:8]1[CH:13]=[CH:12][C:11]([C:14]2[N:15]([CH2:20][C:21]3[CH:26]=[CH:25][C:24]([O:27][CH3:28])=[CH:23][CH:22]=3)[C:16](=[O:19])[NH:17][N:18]=2)=[CH:10][CH:9]=1.Cl[CH2:30][C:31]([O:33][CH2:34][CH3:35])=[O:32]>C(#N)C>[CH2:34]([O:33][C:31](=[O:32])[CH2:30][N:17]1[C:16](=[O:19])[N:15]([CH2:20][C:21]2[CH:26]=[CH:25][C:24]([O:27][CH3:28])=[CH:23][CH:22]=2)[C:14]([C:11]2[CH:12]=[CH:13][C:8]([Cl:7])=[CH:9][CH:10]=2)=[N:18]1)[CH3:35]
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

HCID 7751Ethyl chloroacetateHCID 11430Potassium CarbonateHCID 580122805-(4-chlorophenyl)-4-(4-methoxybenzyl)-2,4-dihydro-3H-1,2,4-triazol-3-one

生成物 1

HCID 58012215Ethyl[3-(4-chlorophenyl)-4-(4-methoxyphenylmethyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl]-acetate

試薬・触媒・溶媒 1

HCID 6342Acetonitrile溶媒

実験手順

2.54 g (18.4 mmol) of potassium carbonate are added to 2.90 g (9.18 mmol) of 5-(4-chlorophenyl)-4-(4-methoxyphenylmethyl)-2,4-dihydro-3H-1,2,4-triazol-3-one from Example 55A and 1.13 g (9.18 mmol) of ethyl chloroacetate in 60 ml acetonitrile and the mixture is heated under reflux overnight with stirring. It is then concentrated, the residue is partitioned between ethyl acetate and water and the aqueous phase extracted three times more with ethyl acetate. By evaporation of the organic phases, combined and dried over magnesium sulphate, 3.58 g (97% of theory) of the target compound are obtained.

後処理

  1. temperaturethe mixture is heated
  2. temperatureunder reflux overnight
  3. concentrationIt is then concentrated
  4. customthe residue is partitioned between ethyl acetate and water
  5. extractionthe aqueous phase extracted three times more with ethyl acetate
  6. customBy evaporation of the organic phases
  7. dry with materialdried over magnesium sulphate, 3.58 g (97% of theory) of the target compound
  8. customare obtained

出典と根拠

ORDレコード
ord-735cfc622841487a849a9216231a326b
出典データセット
uspto-grants-2011_12
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08084481B2

反応ノート

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