Hydrochloric Acid → 5-Fluoro-3-(4-piperidinyl)-1,2-benzisoxazole hydrochloride
Reaktionsgleichung
C([N:4]1[CH2:9][CH2:8][CH:7]([C:10]2[C:14]3[CH:15]=[C:16]([F:19])[CH:17]=[CH:18][C:13]=3[O:12][N:11]=2)[CH2:6][CH2:5]1)(=O)C.[ClH:20]>>[ClH:20].[F:19][C:16]1[CH:17]=[CH:18][C:13]2[O:12][N:11]=[C:10]([CH:7]3[CH2:6][CH2:5][NH:4][CH2:9][CH2:8]3)[C:14]=2[CH:15]=1Komponenten
3
Versuchsvorschrift
A mixture of 17.5 g of 3-(1-acetyl-4-piperidyl)-5-fluoro-1,2-benzisoxazole and 110 ml of 6 N hydrochloric acid was stirred under reflux for 6 hrs. After standing at ambient temperature for ca 12 hrs, a solid was collected, washed with acetone and dried to yield 14.2 g (83%) of product as the hydrochloride salt, mp 297°-299°.
Aufarbeitung
- temperatureunder reflux for 6 hrs
- waitAfter standing at ambient temperature for ca 12 hrs
- customa solid was collected
- washwashed with acetone
- customdried
Quellen und Nachweise
- ORD-Eintrag
- ord-ae41edd8deb245498a358f0ba5d57225
- Quelldatensatz
- uspto-grants-1983_10
- Patentnummer
- US04408054
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