| 摘要 |
Disubstituted guanidines, e.g., N,N'-di-m-tolyl guanidine, N,N'-di-o-ethylphenyl guanidine, N,N'-di-m-ethylphenyl guanidine, and N,N'-di-o-iodophenyl-guanidine, exhibit a high binding affinity to phenylcyclidine (PCP) receptors. These guanidine derivatives act as non-competitive blockers to glutamate induced responses of the NMDA receptor by acting as blockers for the ion channel of the NMDA receptor-ion channel complex. These compounds thus exert a neuroprotective property and are useful in the therapeautic treatment of neuronal loss in ischemia, hypoxia, hypoglycemia, and brain and spinal cord trauma as well as being useful for the treatment of epilepsy, Alzheimer's disease, Amyotrophic Lateral Sclerosis, Huntington's disease, Down's Syndrome and other neurodegenerative disorders.
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