PROCESS FOR THE SYNTHESIS OF TELAPREVIR OR PHARMACEUTICALLY ACCEPTABLE SALTS OR SOLVATES AS WELL AS INTERMEDIATE PRODUCTS THEREOF

摘要

The 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.