| abstract |
The present invention provides a composition for neurotrophic action which comprises a compound of formula (I), wherein Ar is an optionally condensed phenyl group which may be substituted; n is an integer of 1 to 10; R is a hydrogen atom or a hydrocarbon group which may be substituted; and Y is an amino group which may be substituted or a nitrogen-containing saturated heterocyclic group which may be substituted; or a salt thereof, which compounds are useful for preventing and/or treating (1) neurodegenerative diseases (e.g. senile dementia, Alzheimer's disease, Down's syndrome, Parkinson's disease, Creutzfelt-Jakob disease, amyotrophic lateral sclerosis, diabetic neuropathy, etc.), (2) neuropathy in cerebrovascular diseases (e.g. impairment of cerebral blood flow based on cerebral infarction, cerebral hemorrhage, cerebral sclerosis, etc.), (3) brain trauma, spiral cord injury, cerebritis sequela and cerebral palsy, (4) mental diseases (e.g. depression, panic disorder, schizophrenia, etc.), etc. |