申请人:Schmidt Malle
公开号:US20150374677A1
公开(公告)日:2015-12-31
This invention provides an isolated compound having the structure:
or a salt thereof.
The invention also provides for a process for preparing 4-(3-(methylsulfonyl)phenyl)-1-propylpiperidin-4-ol, 1-(3,3-bis(3-(methylsulfonyl)phenyl)propyl)-4-(3-(methylsulfonyl) phenyl)piperidone, 1,4-bis((3-(1-propylpiperidin-4-yl)phenyl)sulfonyl)butane, (3R,4S)-4-(3-(methylsulfonyl)phenyl)-1-propylpiperidin-3-ol, 4-(3-(methylsulfonyl)phenyl)-1-propylpiperidine 1-oxide, 1-(2-methylpentyl)-4-(3-(methylsulfonyl)phenyl)piperidine, 4-(3-(methylsulfinyl)phenyl)-1-propyl-1,2,3,6-tetrahydropyridne, and 4-(3-(methylsulfonyl)phenyl)-1-propyl-1,2,3,6-tetrahydropyridine.
This invention also provides an impurity or a salt thereof for use, as a reference standard to detect trace amounts of the impurity in a pharmaceutical composition comprising pridopidine or a pharmaceutically acceptable salt thereof. This invention further provides a process for producing a pridopidine drug product comprising obtaining a pridopidine drug substance and mixing the pridopidine drug substance with suitable excipients so as to produce the pridopidine drug product. This invention also provides a process for producing a pridopidine drug product. This invention also provides a process of distributing a pridopidine drug product.
这项发明提供了一种具有以下结构的隔离化合物或其盐。该发明还提供了一种制备4-(3-(甲磺基)苯基)-1-丙基哌啶-4-醇、1-(3,3-双(3-(甲磺基)苯基)丙基)-4-(3-(甲磺基)苯基)哌啶酮、1,4-双((3-(1-丙基哌啶-4-基)苯基)磺酰基)丁烷、(3R,4S)-4-(3-(甲磺基)苯基)-1-丙基哌啶-3-醇、4-(3-(甲磺基)苯基)-1-丙基哌啶-1-氧化物、1-(2-甲基戊基)-4-(3-(甲磺基)苯基)哌啶、4-(3-(甲磺基亚硫基)苯基)-1-丙基-1,2,3,6-四氢吡啶和4-(3-(甲磺基)苯基)-1-丙基-1,2,3,6-四氢吡啶的过程。该发明还提供了一种用作参考标准的杂质或其盐,用于检测含普利多匹定或其药学上可接受的盐的药物组合物中微量杂质。该发明还提供了一种生产普利多匹定药物产品的过程,包括获得普利多匹定药物物质并将其与适当的赋形剂混合以生产普利多匹定药物产品。该发明还提供了一种生产普利多匹定药物产品的过程。该发明还提供了一种分发普利多匹定药物产品的过程。