Substituted piperazines as metabotropic glutamate receptor antagonists

摘要

The invention relates to compounds of formula I or pharmaceutically acceptable salts or solvates thereof: where Ar₁, Ar₂, Hy, L, R₁, m and n are as defined in the description. The invention also includes pharmaceutical compositions and uses thereof, processes for making the compounds, as well as methods for the medical treatment of mGluR5-mediated disorders.