Disulfide Prodrugs of Albitiazolium (T3/SAR97276): Synthesis and Biological Activities
作者:Sergio A. Caldarelli、Matthieu Hamel、Jean-Frédéric Duckert、Mahama Ouattara、Michèle Calas、Marjorie Maynadier、Sharon Wein、Christian Périgaud、Alain Pellet、Henri J. Vial、Suzanne Peyrottes
DOI:10.1021/jm3000328
日期:2012.5.24
enhance aqueous solubility of these prodrugs, an amino acid residue (valine or lysine) or a phosphate group was introduced on the thiazolium side chain. Most of the novel derivatives exhibited potent in vitro antimalarial activity against P. falciparum. After oral administration, the cyclic disulfide prodrug 8 showed the best improvement of oral efficacy in comparison to the parent drug.
我们在此报告了一系列设计,合成和生物学筛选的一系列15种二硫化物前药,它们是溴化艾苯咪唑(T3 / SAR97276,化合物1)的前体,这是目前正在临床试验(II期)中评估的重度疟疾胆碱类似物。预期相应的前药通过二硫键的酶促还原而还原为活性双噻唑鎓盐。为了增强这些前药的水溶性,在噻唑鎓侧链上引入了氨基酸残基(缬氨酸或赖氨酸)或磷酸基。大多数新的衍生物对恶性疟原虫表现出强大的体外抗疟疾活性。口服后,环二硫前药8 与母体药物相比,显示出最佳的口服功效改善。