C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 213/08 (2006.01) C07C 217/72 (2006.01)
Patent
CA 2656696
The present invention relates to an improved process for the preparation of (2R,3R)-3- (3-methoxyphenyl)-N,N,2-trimethylpentanamine which is an intermediate for the preparation of the analgesic tapentadol.
La présente invention concerne un procédé amélioré pour la préparation de (2R,3R)-3- (3-méthoxyphényl)-N,N,2-triméthylpentanamine qui est un intermédiaire pour la préparation du tapentadol analgésique.
Broeckx Rudy Laurent Maria
Filliers Walter Ferdinand Maria
Gowling Lafleur Henderson Llp
Janssen Pharmaceutica N.v.
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