NEW FORMS OF TELAPREVIR AND PREPARATION METHODS THEREOF

摘要

Provided are new forms of Telaprevir, which is "substantially pure" form I or form Pi. The substantially pure new forms have a good performance in terms of stability. It is conducive to storage so as to comply with the requirements of the stability for a drug, and is conducive to the commercial production, and it can be used for preparation of a medicine for treating hepatitis C.