(+)-Hydroxyrisperidone compositions and methods
申请人:Sepracor Inc.
公开号:US06500833B1
公开(公告)日:2002-12-31
Methods and compositions utilizing a compound represented by Formula III,
wherein R is chosen from —OH, —P(O)(OH)2 and —SO3H, or pharmaceutically acceptable salts thereof, for the treatment of psychoses in humans are disclosed. The compounds of the present invention exhibit fewer side effects than risperidone, a lessened liability toward drug-drug interactions than risperidone and a more predictable dosing regimen than risperidone. The compounds of the invention are also useful for the treatment of emesis and withdrawal syndromes.
The present invention relates to novel 3-piperidinyl-1,2-benzisoxazoles having long-acting antipsychotic properties and which are useful in the treatment of warm-blooded animals suffering from psychotic diseases. Methods of preparing said compounds and compositions containing the same.
(-)-phosphonorisperidone and (-)-sulforisperidone compositions and methods
申请人:Sepracor Inc.
公开号:US06326362B1
公开(公告)日:2001-12-04
Methods and compositions utilizing a compound represented by Formula III,
wherein R is chosen from —P(O)(OH)2 and —SO3H, or pharmaceutically acceptable salts thereof, for the treatment of psychoses in humans are disclosed. The compounds of the present invention exhibit fewer side effects than risperidone, a lessened liability toward drug-drug interactions than risperidone and a more predictable dosing regimen than risperidone. The compounds of the invention are also useful for the treatment of emesis and withdrawal syndromes.
[EN] AN IMPROVED PROCESS FOR THE PREPARATION OF PALIPERIDONE<br/>[FR] PROCÉDÉ AMÉLIORÉ POUR LA PRÉPARATION DE PALIPÉRIDONE
申请人:WATSON LAB INC
公开号:WO2012134445A1
公开(公告)日:2012-10-04
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.
[EN] AN IMPROVED, INDUSTRIALLY VIABLE PROCESS FOR THE PREPARATION OF HIGH PURITY PALIPERIDONE<br/>[FR] PROCÉDÉ AMÉLIORÉ, INDUSTRIELLEMENT VIABLE POUR LA PRÉPARATION DE PALIPÉRIDONE DE HAUTE PURETÉ
申请人:NATCO PHARMA LTD
公开号:WO2009010988A1
公开(公告)日:2009-01-22
The present invention relates to an improved and industrially viable process for the preparation of high purity ≥ 99.8% chemical of paliperidone of formula-I (3-[2-[4-(6-fluoro-l,2-benzisoxazol-3-yl)-l-piperidinyl]ethyl]-6,7,8,9-tetra-hydro-9-hydroxy-2- methyl-4H-pyrido[l,2-a]pyrimidin-4-one), involving the novel intermediate, 3-(2- hydroxyethyl)-2-methyl-9-(phenylmethoxy)-4H-Pyrido[l,2-a]pyrimidin-4-one of formula-II. All intermediates encountered in the synthetic pathway of present invention are isolated by simple crystallization techniques in high pure. Paliperidone is useful as anti-psychotic agent in the treatment of psychotic disorders and is marketed under the brand name INVEGA.