发明申请
US20120232306A1 PROCESS FOR THE PREPARATION OF TAPENTADOL AND INTERMEDIATES THEREOF 有权
制备他哌多醇及其中间体的方法

PROCESS FOR THE PREPARATION OF TAPENTADOL AND INTERMEDIATES THEREOF
摘要:
The present invention refers to a new process for the synthesis of tapentadol comprising the quantitative resolution of the racemic mixture (V) to obtain the stereoisomer of (S)-3-(dimethylamino)-2-methyl-1-(3-nitrophenyl)-propan-1-one (VII) according to the Scheme 2 below using the (2R,3R)—O,O′-dibenzoyltartaric chiral acid wherein said resolution is quantitative.The present invention also refers to some intermediate compounds of the new synthesis process of tapentadol.
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