ETHYNYL COMPOUNDS USEFUL FOR TREATMENT OF CNS DISORDERS
申请人:Green Luke
公开号:US20110152257A1
公开(公告)日:2011-06-23
The present invention relates to ethynyl compounds of formula
wherein X, Y, Z, and R
4
are as defined herein
or to a pharmaceutically acceptable salt or acid addition salt, to a racemic mixture, or to its corresponding enantiomer and/or optical isomer and/or stereoisomer thereof. Compounds of formula I are positive allosteric modulators (PAM) of the metabotropic glutamate receptor subtype 5 (mGluR5) and they are therefore useful for the treatment of diseases related to this receptor.