PROCESS FOR THE PREPARATION OF CATHEPSIN S INHIBITORS

摘要

A process for the preparation of a compound of formula (I) where the substituents are as herein described, comprising reacting a compound of formula (V) with a compound of formula (VI), wherein LG1 is a leaving group; in the presence of an organic or inorganic base; to yield the corresponding compound of formula (VII) followed by reacting the compound of formula (VII) with a compound of formula (X); in an organic solvent; to yield the corresponding compound of formula (I).