We identified and characterized a series of pyrrole amides as potent, selective Cav3.2-blockers. This series culminated with the identification of pyrrole amides 13b and 26d, with excellent potencies and/or selectivities toward the Cav3.1- and Cav3.3-channels. These compounds display poor physicochemical and DMPK properties, making their use difficult for in vivo applications. Nevertheless, they are well-suited for in vitro studies.
Keywords: Absence-type epilepsy; Pyrroles; Selective Cav3.2-blockers; T-type calcium channel.
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