biochemical assays. Nine human phosphodiesterase-2 (PDE2) inhibitors yielded 36 new analogues. Products were tested for PDE2 inhibition, intrinsic clearance in human hepatocytes, and membrane permeability. Two of the products (2c and 4b) were 3–10× more potent than their respective parent compounds and also had improved metabolic stability. Others offered insights into structure−activity relationships
在本报告中,我们描述了一种方法,通过该方法,可以使用肝脏微粒体将
铅分子转化为几种新的类似物。不到一微摩尔的底物与肝微粒体(小鼠,大鼠,仓鼠,豚鼠,兔,狗,猴或人)一起温育,以产生多种产物,将其分离并通过定量冷冻微探针NMR(qNMR)光谱进行分析。然后将来自qNMR分析的溶液用作储备液,将其稀释到生化测定中。九种人类
磷酸二酯酶2(PDE2)
抑制剂产生了36种新的类似物。测试了产品对PDE2的抑制作用,在人类肝细胞中的固有清除率和膜通透性。其中两个产品(2c和4b)的效力比其各自的母体化合物高3–10倍,并且代谢稳定性得到改善。其他人则提供了对结构活动关系的见解。总体而言,以亚微摩尔级底物规模使用肝脏微粒体的这一过程是快速且经济高效的后期
铅多样化的有用方法。