Novel hydrobromide of the C 5-2-cyclopropyl-1-(2-fluorophenyl)-2-oxoethyl-4,5,6,7-tetrahydrothieno3,2-cpyridin-2-yl acetate form known under unprotected name prasugrel and process for preparing thereof

摘要

The present invention relates to a polymorphous form of prasugrel hydrobromide, a known substance that reduced blood clotting, i.e. prasugrel of the general formula I, which form is characterized by high chemical stability. The invention also relates to a process for preparing thereof.