Synthesis and biological evaluation of new 4-arylpiperidines and 4-aryl-4-piperidinols: dual Na+ and Ca 2+ channel blockers with reduced affinity for dopamine D 2 …
A series of novel 4-arylpiperidines and 4-aryl-4-piperidinols (2a–f, 3a–f and 4a–f) was synthesized and evaluated for blocking effects on both neuronal Na+ and T-type Ca2+ channels and binding affinity for dopamine D2 receptors. Most of the compounds blockaded both ion channels with potency greater than or equal to flunarizine 1a which was adopted as a reference standard. In addition, these compounds had significantly reduced affinity for ...