HETEROCYCLIC DERIVATIVES

摘要

The present invention relates to a heterocyclic derivative of formula (I) wherein the variables are as defined in the specification, or to a pharmaceutically acceptable salt or solvate thereof. The present invention further relates to pharmaceutical compositions comprising said heterocyclic derivatives and to their use in therapy, for instance in the treatment or prevention of disorders mediated by glutamate dysfunction, such as schizophrenia and generalised anxiety disorder.