Abstract
It was hypothesized that an appropriately substituted 2,8-diazaspiro[4.5]decan-1-one could effectively approximate a 5-feature T-type pharmacophore model published in the literature. Compounds were designed and synthesized to test our hypothesis and were found to be potent T-type calcium channel inhibitors with modest selectivity over L-type calcium channels. The synthesis and SAR of the series is described.
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