申请人:ESTEVE QUIMICA, S.A.
公开号:EP1886998A1
公开(公告)日:2008-02-13
It comprises a process for the purification of Montelukast, or its salts or its solvates, including any stereoisomer or mixture thereof, which comprises converting Montelukast acid or a solvate thereof, including any stereoisomer or mixtures thereof, into an amine salt selected from the group consisting of cyclohexylamine, tris-(hydroxymethyl)aminomethane, L-(+)-treo-2-amino-1-phenyl-1,3-propanediol, R-(+)-α-methylbenzylamine, and L-(+)-α-phenylglycinol salt, in the presence of an appropriate solvent. It also comprises novel salts of Montelukast, in particular, cyclohexylamine, tris-(hydroxymethyl)aminomethane, L-(+)-treo-2-amino-1-phenyl-1,3-propanediol, R-(+)-α-methylbenzylamine, and L-(+)-α-phenylglycinol salts.
该专利涉及一种蒙特卢卡斯特的纯化过程,或其盐或溶剂化物,包括任何立体异构体或其混合物,其中包括将蒙特卢卡斯特酸或其溶剂化物,包括任何立体异构体或其混合物,在适当的溶剂存在下转化为来自以下群组的胺盐:环己胺,三羟甲基氨甲烷,L-(+)-treo-2-氨基-1-苯基-1,3-丙二醇,R-(+)-α-甲基苄胺和L-(+)-α-苯基甘氨酸盐。此外,还包括蒙特卢卡斯特的新型盐,特别是环己胺,三羟甲基氨甲烷,L-(+)-treo-2-氨基-1-苯基-1,3-丙二醇,R-(+)-α-甲基苄胺和L-(+)-α-苯基甘氨酸盐。