Amino acid derivatives
US7166590B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 28, 2002 |
| Grant date | Jan 23, 2007 |
| Priority date | — |
| Expiry date | Feb 3, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2603/74
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A compound of the formula (I): [wherein R1 is (substituted) alkyl, alkoxy, phenyl, hetero ring etc.; A is bond, CO, SO2; R2 is H, (substituted) alkyl etc.; D is alkylene etc.; E is COO, OCO, O, S, SO, SO2 etc.; R3 is (substituted) alkyl, carbocyclic ring, hetero ring; J is O, NR16 (R16 is H, substituted alkyl); R4 is (substituted) alkyl, carbocyclic ring, hetero ring.] 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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.