T. Varming et al., SYNTHESIS AND BIOLOGICAL-ACTIVITY OF THE NEURONAL CALCIUM-CHANNEL BLOCKER 2-AMINO-1-(2,5-DIMETHOXYPHENYL)-5-TRIFLUOROMETHYL BENZIMIDAZOLE (NS-649), Bioorganic & medicinal chemistry letters, 6(3), 1996, pp. 245-248
The substituted benzimidazole, NS-649, has been shown to be a blocker
of neuronal calcium channels in patch-clamp studies. NS-649 dose-depen
dently inhibited release of D-aspartate from cerebellar granule neuron
s. The neuroprotective effect of this compound in in vitro and in vivo
models of ischemia was demonstrated.