PROCESS FOR THE PREPARATION OF PALIPERIDONE AND ITS INTERMEDIATES
申请人:Thangavel Arulmoli
公开号:US20100298566A1
公开(公告)日:2010-11-25
A process for the preparation of a psychotropic agent Paliperidone. Preferably, this invention relates to a method for the purification of Paliperidone by making its acid addition salts.
一种制备精神药物帕利哌酮的方法。优选地,本发明涉及通过制备其酸盐来纯化帕利哌酮的方法。
[EN] PREPARATION OF 3-(2-HYDROXY ETHYL)-9-HYDROXY-2-METHYL-4H-PYRIDO-[1,2-A]-PYRIMIDIN-4-ONE OR ITS ACID ADDITION SALT<br/>[FR] SYNTHÈSE DE LA 3-(2-HYDROXYÉTHYL)-9-HYDROXY-2-MÉTHYL-4H-PYRIDO-[1,2-A]-PYRIMIDIN-4-ONE OU DE SON SEL D'ADDITION ACIDE
申请人:CADILA PHARMACEUTICALS LTD
公开号:WO2010082111A1
公开(公告)日:2010-07-22
The invention relates to an improved process for preparation of 3-(2-hydroxy ethyl)-9- hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one or its acid addition salt and its conversion to paliperidone or its acid addition salt without involving the use of an acid catalyst.
Novel Compounds for Treating Mental Disorders, and Preparation and Uses Thereof
申请人:Li Youxin
公开号:US20100113482A1
公开(公告)日:2010-05-06
The present invention relates to a compound of formula (I), an optical isomer or a pharmaceutically acceptable salt thereof, its preparation and uses, wherein R is defined as herein. Such compounds can be presented as an optical isomer or a racemic mixture. The compounds can be metabolized in vivo to form a pharmacologically active substance as antagonist of neurotransmitters, and can be used for the treatment of the related mental disorders such as schizophrenia.
Compounds for treating mental disorders, and preparation and uses thereof
申请人:——
公开号:US08314110B2
公开(公告)日:2012-11-20
The present invention relates to a compound of formula (I), an optical isomer or a pharmaceutically acceptable salt thereof, its preparation and uses, wherein R is defined as herein. Such compounds can be presented as an optical isomer or a racemic mixture. The compounds can be metabolized in vivo to form a pharmacologically active substance as antagonist of neurotransmitters, and can be used for the treatment of the related mental disorders such as schizophrenia.
[EN] AN IMPROVED PROCESS FOR THE PREPARATION OF PALIPERIDONE AND ITS INTERMEDIATES<br/>[FR] PROCÉDÉ PERFECTIONNÉ POUR LA PRÉPARATION DE LA PALIPÉRIDONE ET DE SES INTERMÉDIAIRES