Process for the synthesis of telaprevir or pharmaceutically acceptable salts or solvates as well as intermediate products thereof

摘要

pThe invention relates to a process for the preparation of telaprevir or a pharmaceutically acceptable salt or solvate thereof wherein the process requires a smaller number of process steps and/or does not require the use of toxic and instable compounds compared to the known processes. Another embodiment refers to telaprevir or a pharmaceutically acceptable salt or solvate thereof as well as to intermediate products for preparation of the same wherein the afore mentioned products are obtained by the process described herein./p