A novel process for the preparation of N-methyl-N-(2-[4-hydroxyphenyl]ethyl)-5-hydroxy-4-methoxy benzene carboxamide, which is useful as an intermediate in the synthesis of (−)-galantamine, comprises the reaction of a 5-hydroxy-4-methoxy benzoic acid derivative with N-methyl-N-(2-[4-hydroxyphenyl]ethyl)amine.
[EN] PROCESS FOR MAKING GALANTAMINE<br/>[FR] PROCÉDÉ DE FABRICATION DE GALANTAMINE
申请人:SCINOPHARM TAIWAN LTD
公开号:WO2008127560A1
公开(公告)日:2008-10-23
[EN] A novel process for the preparation of N-methyl-N-(2-[4- hydroxyphenyl]ethyl)-5-hydroxy-4-methoxy benzene carboxamide, which is useful as an intermediate in the synthesis of (-)-galantamine, comprises the reaction of a 5-hydroxy-4-methoxy benzoic acid derivative with N-methyl-N-(2-[4- hydroxyphenyl] ethyl) amine. [FR] L'invention porte sur un nouveau procédé de préparation de N-méthyl-N-(2-[4- hydroxyphényl]éthyl)-5-hydroxy-4-méthoxy benzène carboxamide, utile en tant qu'intermédiaire pour la synthèse de la (-)-galantamine, ledit procédé comprenant la réaction entre un dérivé de l'acide 5-hydroxy-4-méthoxy benzoïque et le N-méthyl-N-(2-[4- hydroxyphényl] éthyl) amine.
Syntheses of heterocyclic compounds CCCXCVI. Alternative total synthesis of (+-)-galanthamine