Potassium Hydroxide → 3-(4-Piperidyl)-6-fluoro-1,2-benzisoxazole

HRID 2372741Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 2372741
Cl.F[C:3]1[CH:17]=[C:16]([F:18])[CH:15]=[CH:14][C:4]=1[C:5](=[N:12][OH:13])[CH:6]1[CH2:11][CH2:10][NH:9][CH2:8][CH2:7]1.[OH-].[K+]>O>[F:18][C:16]1[CH:15]=[CH:14][C:4]2[C:5]([CH:6]3[CH2:11][CH2:10][NH:9][CH2:8][CH2:7]3)=[N:12][O:13][C:3]=2[CH:17]=1

Komponenten

4

Edukt 2

HCID 14797Potassium HydroxideHCID 57357481Methanone, (2,4-difluorophenyl)-4-piperidinyl-, oxime, hydrochloride (1:1)

Produkt 1

HCID 8494213-(4-Piperidyl)-6-fluoro-1,2-benzisoxazole

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 962WaterLösungsmittel2×

Versuchsvorschrift

1 g of the compound obtained in stage E is mixed with 2.3 g of potassium hydroxide and 5 ml of water. The reaction medium is heated to reflux for 4 hours. 20 ml of water are then added and the mixture is extracted 4 times with 50 ml of toluene. The organic phase is dried to obtain, after evaporation of the solvent, 6-fluoro-3-piperid-4-yl-1,2-benzisoxazole.

Aufarbeitung

  1. temperatureThe reaction medium is heated
  2. temperatureto reflux for 4 hours
  3. extractionthe mixture is extracted 4 times with 50 ml of toluene
  4. customThe organic phase is dried
  5. customto obtain
  6. customafter evaporation of the solvent, 6-fluoro-3-piperid-4-yl-1,2-benzisoxazole

Quellen und Nachweise

ORD-Eintrag
ord-6d3dc7e2398d49acb46cbdf5294cb80e
Quelldatensatz
uspto-grants-1992_03
Patentnummer
US05100902

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