Structure–Activity Relationship, Drug Metabolism and Pharmacokinetics Properties Optimization, and <i>in Vivo</i> Studies of New Brain Penetrant Triple T-Type Calcium Channel Blockers
作者:Romain Siegrist、Davide Pozzi、Gaël Jacob、Caterina Torrisi、Kilian Colas、Bertrand Braibant、Jacques Mawet、Thomas Pfeifer、Ruben de Kanter、Catherine Roch、Melanie Kessler、Olivier Corminboeuf、Olivier Bezençon
DOI:10.1021/acs.jmedchem.6b01356
日期:2016.12.8
availability of numerous antiepileptic drugs, 20–30% of epileptic patients are pharmacoresistant with seizures not appropriately controlled. Consequently, new strategies to address this unmet medical need are required. T-type calcium channels play a key role in neuronal excitability and burst firing, and selective triple T-type calcium channel blockers could offer a new way to treat various CNS disorders
尽管可以使用多种抗癫痫药,但仍有20%至30%的癫痫患者对药物具有耐药性,癫痫发作没有得到适当控制。因此,需要新的策略来解决这种未满足的医疗需求。T型钙通道在神经元兴奋性和爆发放电中起关键作用,选择性的三重T型钙通道阻滞剂可能为治疗各种中枢神经系统疾病,特别是癫痫病提供新途径。在这里,我们描述了新的1,4-苯二氮卓类药物作为脑渗透剂和选择性三重T型钙通道阻滞剂的鉴定。从外消旋化合物4开始,优化工作导致制备了吡啶二氮杂卓31c具有改善的理化性质,溶解度和代谢稳定性。外消旋混合物通过手性制备型HPLC分离,所得铅化合物(3 R,5 S)-31c在广义非惊厥性癫痫样癫痫的WAG / Rij-rat模型中显示出有希望的功效。