C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 211/52 (2006.01) C07F 7/10 (2006.01)
Patent
CA 2345286
The present invention is directed to a novel process for the preparation of the mesylate trihydrate of the compound of formula (I), (1S,2S)-1-(4-hydroxyphenyl)-2-(4-hydroxy-4-phenylpiperidin-1-yl)-1-propanol: (see formula I) The present invention is further directed to a process for the preparation of a (2S)-(+)- compound of formula (II): (see formula II) wherein R1 is a protecting group. In addition, the present invention relates to intermediates useful in said processes.
Rainville Joseph Philip
Sinay Terry Gene Jr.
Walinsky Stanley Walter
Pfizer Products Inc.
Smart & Biggar
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