[EN] METHOD FOR THE PREPARATION OF 1-ARYL-1-ALKYL-2-ALKYL-3-DIALKYLAMINOPROPANE COMPOUNDS<br/>[FR] PROCÉDÉ DE PRÉPARATION DE COMPOSÉS 1-ARYL-1-ALKYL-2-ALKYL-3-DIALKYLAMINO-PROPANE
申请人:SIEGFRIED AG
公开号:WO2013185928A1
公开(公告)日:2013-12-19
The present invention refers to the preparation of 1-aryl-1-alkyl-2-alkyl-3-dialkylamino-propane compounds, such as tapentadol, using a diastereoselective Eschenmoser-Claisen or Ireland-Claisen rearrangement.
本发明涉及使用对映选择性的Eschenmoser-Claisen或Ireland-Claisen重排反应制备1-芳基-1-烷基-2-烷基-3-二烷基氨基丙烷类化合物,如tapentadol。