[EN] PYRAZOLOPYRIMIDINES, A PROCESS FOR THEIR PREPARATION AND THEIR USE AS MEDICINE<br/>[FR] PYRAZOLOPYRIMIDINES, LEUR MÉTHODE DE PRÉPARATION ET LEUR UTILISATION COMME MÉDICAMENTS
申请人:MERZ PHARMA GMBH & CO KGAA
公开号:WO2009095254A1
公开(公告)日:2009-08-06
The invention relates to pyrazolopyrimidine derivatives of Formula (I) wherein R1 represents chloro or bromo; A represents (a); (b); (c); (d); or (e), as well as their pharmaceutically acceptable salts. The invention further relates to a process for the preparation of such compounds. The compounds of the invention are mGluR5 modulators and are therefore useful for the control and prevention of acute and/or chronic neurological disorders.