AN IMPROVED PROCESS FOR THE PREPARATION OF PALIPERIDONE

The present invention relates to a process for preparation and purification of 3-[2-[4-(6- fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H- pyrido[1,2-a]pyrimidin-4-one, also known as paliperidone or 9-hydroxy risperidone. La présente invention concerne un...

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Hauptverfasser:	BHANU, MANJUNATH, NARAYAN, CHAVAN, AMIT, ANANT, JOSHI, ASHUTOSH, VIJAY
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMISTRY HETEROCYCLIC COMPOUNDS HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC CHEMISTRY PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
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Beschreibung
Zusammenfassung:	The present invention relates to a process for preparation and purification of 3-[2-[4-(6- fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H- pyrido[1,2-a]pyrimidin-4-one, also known as paliperidone or 9-hydroxy risperidone. La présente invention concerne un procédé pour la préparation et la purification de 3-[2-[4-(6- fluoro-1,2-benzisoxazol-3-yl)-1-pipéridinyl]éthyl]-6,7,8,9-tétrahydro-9-hydroxy-2-méthyl-4H-pyrido[1,2-a]pyrimidin-4-one, également appelée palipéridone ou 9-hydroxy-rispéridone.