[EN] PROCESS FOR THE PREPARATION OF TAPENTADOL AND ANALOGS THEREOF<br/>[FR] PROCÉDÉ DE PRÉPARATION DE TAPENTADOL ET DE SES ANALOGUES
申请人:COUNCIL SCIENT IND RES
公开号:WO2020194326A1
公开(公告)日:2020-10-01
The present invention relates to a process for the preparation of tapentadol and analogs or compounds or stereoisomers of formula (I), Formula I wherein, A is aryl, heteroaryl, and cycloalkyl; R is H, OH, OR1, halogen, C1-C12 alkyl, cycloalkyl, aryl or heteroaryl; R1 is C1-C12 alkyl, cycloalkyl, aryl or heteroaryl, wherein each of these groups may further be substituted with one or more substituent selected from H, OH, halogen, CN, NO2, C1-C4 alkyl or phenyl. Further, the multi-step process involves no column chromatography purification until the very last step. This makes this process highly commercially viable and industrially useful.
本发明涉及一种制备他泊酚和式(I)的类似物或化合物或立体异构体的方法,式中,A为芳基、杂环芳基和环烷基;R为H、OH、OR1、卤素、C1-C12烷基、环烷基、芳基或杂环芳基;R1为C1-C12烷基、环烷基、芳基或杂环芳基,其中这些基团中的每一个可能进一步被H、OH、卤素、CN、NO2、C1-C4烷基或苯基中的一个或多个取代基取代。此外,这个多步骤过程直到最后一步都不涉及柱层析纯化。这使得这个过程在商业上非常具有可行性和工业上有用。