Process for preparing carboxamide derivatives used as...

Details Process for preparing carboxamide derivatives used as... Process for preparing carboxamide derivatives used as...

C - Chemistry, Metallurgy

07

D

C07D 213/82 (2006.01) C07D 213/64 (2006.01) C07D 213/85 (2006.01)

Patent

CA 2572645

The present invention proides a process for preparing a pyridine compound of formula (I), where R1, R2, R3 and a are those defined herein. These compounds may be used as intermediates for the preparation of pharmaceutically active NK- 1 receptor antagonists.

La présente invention a trait à un procédé pour la préparation d'un composé pyrimidine de formule (I), dans laquelle R1, R2, R3 et a sont tels que définis dans la description. Ces composés peuvent être utilisés comme intermédiaires pour la préparation d'antagonistes de récepteurs NK-1 pharmaceutiquement actifs.

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