In this study, we explored Heck- and Suzuki-coupling methodology to modify the template 2,5-di-tert-butylhydroquinone (BHQ, 2), an inhibitor of the enzyme sarco/endoplasmic reticulum calcium ATPase (SERCA). We found that by utilizing Suzuki coupling, we could successfully attach a six-carbon tether to BHQ that terminated in a leucine moiety to obtain target 14. Similar to related compounds based on the structure of the natural product thapsigargin, 14 displayed inhibitory potency against SERCA activity. This makes 14 a suitable candidate for the future attachment of a deactivating peptide to convey specificity for prostate cancer cells.
在这项研究中,我们探索了Heck-和Suzuki-偶联方法来修改模板2,5-二-tert-丁基对羟基苯醌(BHQ,2),这是一种抑制酶肌/内质网钙ATP酶(SERCA)的物质。我们发现通过利用Suzuki偶联,我们可以成功地将一个六碳链连接到BHQ上,末端连接一个亮氨酸基团,从而获得目标14。类似于基于天然产物刺花毒素结构的相关化合物,14对SERCA活性显示出抑制作用。这使得14成为未来连接一个去活化肽以传递对前列腺癌细胞的特异性的合适候选物。