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Water → Methyl 4-bromo-2-({3-(4-chlorophenyl)-5-oxo-4-[(2S)-3,3,3-trifluoro-2-hydroxypropyl]-4,5-dihydro-1H-1,2,4-triazol-1-yl}methyl)benzoate

HRID 714661
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 714661
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[N:9]([CH2:14][C@H:15]([OH:20])[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-].[Cs+].[Cs+].[Br:27][C:28]1[CH:37]=[CH:36][C:31]([C:32]([O:34][CH3:35])=[O:33])=[C:30]([CH2:38]Br)[CH:29]=1.O>C(#N)C>[Br:27][C:28]1[CH:37]=[CH:36][C:31]([C:32]([O:34][CH3:35])=[O:33])=[C:30]([CH2:38][N:11]2[C:10](=[O:13])[N:9]([CH2:14][C@H:15]([OH:20])[C:16]([F:18])([F:19])[F:17])[C:8]([C:5]3[CH:6]=[CH:7][C:2]([Cl:1])=[CH:3][CH:4]=3)=[N:12]2)[CH:29]=1
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Komponenten

6

Edukt 4

HCID 962WaterHCID 10796Cesium carbonateHCID 22031079Methyl 4-bromo-2-(bromomethyl)benzoateHCID 595368365-(4-Chlorophenyl)-4-[(2S)-3,3,3-trifluoro-2-hydroxypropyl]-2,4-dihydro-3H-1,2,4-triazol-3-one

Produkt 1

HCID 67396533Methyl 4-bromo-2-({3-(4-chlorophenyl)-5-oxo-4-[(2S)-3,3,3-trifluoro-2-hydroxypropyl]-4,5-dihydro-1H-1,2,4-triazol-1-yl}methyl)benzoate

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6342AcetonitrileLösungsmittel

Versuchsvorschrift

515 mg (1.67 mmol) of the compound from Example 5A and 818 mg (2.51 mmol) of cesium carbonate were suspended in 10 ml of acetonitrile, and 810 mg (1.84 mmol) of methyl 4-bromo-2-(bromomethyl)benzoate were added. The mixture was stirred under reflux for 3 h. After cooling to RT, 15 ml of water were added and the mixture was extracted three times with in each case 10 ml of ethyl acetate. The combined organic phases were dried over sodium sulfate, filtered and concentrated under reduced pressure. The residue was purified chromatographically [Method 19]. This gave 455 mg (51% of theory) of the target compound.

Aufarbeitung

  1. temperatureunder reflux for 3 h
  2. extractionthe mixture was extracted three times with in each case 10 ml of ethyl acetate
  3. dry with materialThe combined organic phases were dried over sodium sulfate
  4. filtrationfiltered
  5. concentrationconcentrated under reduced pressure
  6. customThe residue was purified chromatographically [Method 19]

Quellen und Nachweise

ORD-Eintrag
ord-70ccb43da0e04563ab0af7cb2859de00
Quelldatensatz
uspto-grants-2015_11
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09187466B2

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