Compounds of general formula (I) their use as calcium receptor-active compounds for the prophylaxis, treatment or amelioration of physiological disorders or diseases associated with disturbances of CaSR activity, such as hyperparathyroidism, pharmaceutical compositions comprising said compounds, and methods of treating diseases with said compounds.一般式Iで表される化合物、[I]CaSR活性の異常に付随する生理学的障害または疾患、例えば副甲状腺機能亢進症の予防、処置または緩和のための、カルシウム受容体活性な化合物としてのその使用、該化合物を含む医薬組成物、および該化合物で疾患を処置する方法。