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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Bibliographic Details
Main Authors BHANU, MANJUNATH, NARAYAN, CHAVAN, AMIT, ANANT, JOSHI, ASHUTOSH, VIJAY
Format Patent
LanguageEnglish
French
Published 04.10.2012
Subjects
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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Summary: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.
Bibliography:Application Number: WO2011US30302