[EN] USE OF INTERMEDIATES ((R ) -2,2, 4-TRIMETHYL-L, 3-DIOXOLANE-4-YL) METHANOL (A), 3-F LUORO-4-NITRO-PHENOL (B) AND 1- (4-CHLORO- BENZYL) -PIPERIDIN-4-YLAMINE (C)<br/>[FR] UTILISATION D'INTERMÉDIAIRES ((R)-2,2,4-TRIMÉTHYL-L, 3-DIOXOLANE-4-YL)MÉTHANOL (A), 3-F LUORO-4-NITRO-PHÉNOL (B) ET 1-(4-CHLORO-BENZYL) -PIPÉRIDIN-4-YLAMINE (C)
申请人:ASTRAZENECA AB
公开号:WO2009035407A1
公开(公告)日:2009-03-19
The present invention relates to novel processes for the preparation of intermediate compounds which can be used to prepare therapeutic agents. The present invention also relates to novel intermediate compounds which can be used to prepare therapeutic agents. More specifically, the invention relates to the use of intermediates ((R) -2,2,4-trimethyl-l, 3- dioxolane-4 -yl) methanol (A), 3-f luoro-4-nitro-phenol (B) and 1- (4-chloro-benZyl) -piperidin-4-ylamine (C).