The present invention relates to novel imidazopyridines of general formulaA,processes for their preparation, pharmaceutical compositions containing them and their use in therapy, particularly in the treatment or prevention of conditions having an association with NR2B negative allosteric modulating properties.本發明係關於通式A之新穎咪唑并吡啶、其等製備製程、含有該等咪唑并吡啶之醫藥組合物以及其等在療法中之用途,尤其係在治療或預防與NR2B負向立體異位調節特性相關的病況。