The development of glycine transporter 1 (GlyT1) inhibitors may offer putative treatments for schizophrenia and other disorders associated with hypofunction of the glutaminergic N-methyl-d-aspartate (NMDA) receptor. Herein, we describe the synthesis and biological evaluation of a series of 3,4-disubstituted pyrrolidine sulfonamides as competitive GlyT1 inhibitors that arose from de novo scaffold design. Relationship of chemical structure to drug–drug interaction (DDI) and bioactivation was mechanistically investigated. Murine studies were strategically incorporated into the screening funnel to provide early assessments of in vivo target occupancy (TO) by ex vivo binding studies. Advanced compounds derived from iterative structure–activity relationship (SAR) studies possessed high potency in ex vivo binding studies and good brain penetration, promising preliminary in vivo efficacy, acceptable preclinical pharmacokinetics, and manageable DDI and bioactivation liabilities.

中文翻译：

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从头开始设计，合成和生物评估作为有效和选择性甘氨酸转运蛋白1竞争性抑制剂的3,4-二取代的吡咯烷磺酰胺。

甘氨酸转运蛋白1（GlyT1）抑制剂的开发可能为精神分裂症和与谷氨酰胺N-甲基-d功能低下相关的其他疾病提供推定的治疗方法-天冬氨酸（NMDA）受体。在本文中，我们描述了一系列3,4-二取代的吡咯烷磺酰胺类化合物的合成和生物学评估，它们是从头开始设计时产生的竞争性GlyT1抑制剂。机械地研究了化学结构与药物相互作用（DDI）和生物活化的关系。将鼠类研究策略性地纳入筛选漏斗中，以通过离体结合研究提供对体内靶标占有率（TO）的早期评估。源自迭代结构-活性关系（SAR）研究的先进化合物在离体结合研究中具有很高的效力，并且具有良好的大脑渗透能力，有望在体内具有初步的疗效，可接受的临床前药代动力学以及可控的DDI和生物活化作用。