Synthesis of non-competitive inhibitors of Sphingomyelinases with significant activity
摘要:
A series of short-chain analogues of N-palmitoylsphingosine-1-phosphate, modified by replacement of the phosphate and the long alkenyl side chain with hydrolytically stable difluoromethylene phosphonate and phenyl, respectively, were prepared to study the structure-activity relationship for inhibition of sphingomyelinase. The study revealed that inhibition is highly dependent upon the stereochemistry of the asymmetric centers of the acylamino, moiety, and resulted in identification of a non-competitive inhibitor with the same level of inhibitory activity of schyphostatin, the most potent of the few known small molecular inhibitors of sphingomyelinase. (C) 2002 Elsevier Science Ltd. All rights reserved.
作者:Michael J. Pepi、Shibin Chacko、Nicole Kopetz、Helena I.M. Boshoff、Gregory D. Cuny、Lizbeth Hedstrom
DOI:10.1016/j.bmcl.2022.129116
日期:2023.1
emergence of drug resistant Mycobacterium tuberculosis, the causative agent of tuberculosis, demands the development of new drugs and new drug targets. We have recently reported that the d-phenylalanine benzoxazole Q112 has potentantibacterial activity against this pathogen with a distinct mechanism of action from other antimycobacterial agents. Q112 and previously reported derivatives were unstable in
结核病的病原体——耐药结核分枝杆菌的出现,需要开发新药和新的药物靶点。我们最近报道, d-苯丙氨酸苯并恶唑Q112对这种病原体具有有效的抗菌活性,其作用机制与其他抗分枝杆菌药物不同。 Q112和之前报道的衍生物在血浆中不稳定,没有观察到游离化合物。在这里,我们扩展了抗分枝杆菌活性的结构-活性关系,并发现了血浆结合减少的不可水解衍生物。我们还表明,抗菌活性和对 PanG 的抑制之间不存在相关性,PanG 是这些化合物的假定靶点。