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Water → 2-[(3-Bromophenyl)sulfonyl]-5-(4-chlorophenyl)-4-[(1E)-3,3,3-trifluoroprop-1-en-1-yl]-2,4-dihydro-3H-1,2,4-triazol-3-one

HRID 714669
ノート
印刷プレビュー

反応式

HRID 714669 の反応式
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[N:9]([CH2:14][C@H:15](O)[C:16]([F:19])([F:18])[F:17])[C:10](=[O:13])[NH:11][N:12]=2)=[CH:4][CH:3]=1.C(=O)([O-])[O-].[K+].[K+].[Br:27][C:28]1[CH:29]=[C:30]([S:34](Cl)(=[O:36])=[O:35])[CH:31]=[CH:32][CH:33]=1.O>C(#N)C>[Br:27][C:28]1[CH:29]=[C:30]([S:34]([N:11]2[C:10](=[O:13])[N:9](/[CH:14]=[CH:15]/[C:16]([F:19])([F:18])[F:17])[C:8]([C:5]3[CH:6]=[CH:7][C:2]([Cl:1])=[CH:3][CH:4]=3)=[N:12]2)(=[O:36])=[O:35])[CH:31]=[CH:32][CH:33]=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 962WaterHCID 11430Potassium CarbonateHCID 17943m-Bromobenzenesulphonyl chlorideHCID 595368365-(4-Chlorophenyl)-4-[(2S)-3,3,3-trifluoro-2-hydroxypropyl]-2,4-dihydro-3H-1,2,4-triazol-3-one

生成物 1

HCID 699402022-[(3-Bromophenyl)sulfonyl]-5-(4-chlorophenyl)-4-[(1E)-3,3,3-trifluoroprop-1-en-1-yl]-2,4-dihydro-3H-1,2,4-triazol-3-one

試薬・触媒・溶媒 1

HCID 6342Acetonitrile溶媒

実験手順

500 mg (1.63 mmol) of the compound from Example 5A were dissolved in 10 ml of acetonitrile, and 449 mg (3.25 mmol) of potassium carbonate and 415 mg (1.63 mmol) of 3-bromobenzenesulfonyl chloride were added. The mixture was heated under reflux for 2 h. For work-up, 10 ml of water were added and the mixture was extracted twice with in each case 15 ml of ethyl acetate. The combined organic phases were dried over sodium sulfate, filtered and concentrated under reduced pressure. The crude product was purified by chromatography on silica gel (mobile phase: cyclohexane/ethyl acetate 8:1→5:1→1:1). This gave 285 mg (34% of theory) of the target compound.

後処理

  1. temperatureThe mixture was heated
  2. temperatureunder reflux for 2 h
  3. extractionthe mixture was extracted twice with in each case 15 ml of ethyl acetate
  4. dry with materialThe combined organic phases were dried over sodium sulfate
  5. filtrationfiltered
  6. concentrationconcentrated under reduced pressure
  7. customThe crude product was purified by chromatography on silica gel (mobile phase: cyclohexane/ethyl acetate 8:1→5:1→1:1)

出典と根拠

ORDレコード
ord-19ff9d4c50c8429e8836dc5a2becd0f2
出典データセット
uspto-grants-2015_11
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09187466B2

反応ノート

読み込み中…

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