A compound 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, methods of treating diseases with said compounds, and the use of said compounds in the manufacture of medicaments.一般式I:で示される化合物、CaSR活性の異常に付随する生理的障害または疾患、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化化合物としてのその使用、該化合物を含む医薬組成物、該化合物で疾患を処置する方法、および医薬の製造における該化合物の使用。