| abstract |
To provide an amino acid derivative represented by general formula (I), a method for producing the same and a medicament containing the derivative as the active ingredient. The invention relates to the amino acid derivative represented by general formula (I), for example, a compound represented by general formula (2) and salts thereof. The compound represented by general formula (I) inhibits the N type calcium channel, and the compound is useful as preventives and/or remedies for brain infarction, transient ischemic attack, cerebrospinal failure following heart operation, spinal vascular failure, stress hypertension, neurosis, epilepsy, asthma, frequent urination, etc. or analgesics. |