| 摘要 |
A compound of the formula (I): <CHEM> Äwherein R<1> is (substituted) alkyl, alkoxy, phenyl, hetero ring etc.; A is bond, CO, SO2; R<2> is H, (substituted) alkyl etc.; D is alkylene etc.; E is COO, OCO, O, S, SO, SO2 etc.; R<3> is (substituted) alkyl, carbocyclic ring, hetero ring; J is O, NR<16> (R<16> is H, substituted alkyl); R<4> is (substituted) alkyl, carbocyclic ring, hetero ring.Ü or non-toxic salt thereof, and an N-type calcium channel blocker comprising it as an active ingredient. The compounds of the formula (I) possess an inhibitory action on N-type calcium channel, so they are useful as agent for the prevention and/or treatment of cerebral infarct, transient ischemic attack, encephalomyelopathy after cardiac operation, spinal angiopathy, hypertension with stress, neurosis or epilepsy etc. or agent for the treatment of pain. |
