PYRAZOLO-PYRIMIDINE DERIVATIVES AS MGLUR2 ANTAGONISTS

摘要

The present invention relates to pyrrazolo-pyrimidine derivatives of formula (I): wherein R1 to R4 and A are as defined in the specification, a process for the manufacture thereof, their use for treating or preventing metabotropic glutamate receptors mediated disorders, their use for the preparation of medicaments for treating such disorders and pharmaceutical compositions containing said derivatives.