Bisamidate Prodrugs of 2-Substituted 9-[2-(Phosphonomethoxy)ethyl]adenine (PMEA, adefovir) as Selective Inhibitors of Adenylate Cyclase Toxin from<i>Bordetella pertussis</i>
作者:Michal Česnek、Petr Jansa、Markéta Šmídková、Helena Mertlíková-Kaiserová、Martin Dračínský、Tarsis F. Brust、Petr Pávek、František Trejtnar、Val J. Watts、Zlatko Janeba
DOI:10.1002/cmdc.201500183
日期:2015.8
this study, a series of 2‐substituted derivatives of 9‐[2‐(phosphonomethoxy)ethyl]adenine (PMEA, adefovir), in their isopropyl ester bis(L‐phenylalanine) prodrug form, were designed and synthesized as potent inhibitors of adenylate cyclase toxin (ACT) isolated from B. pertussis. The series consists of PMEA analogues bearing either a linear or branched aliphatic chain or a heteroatom at the C2 position
人们迫切需要新型的小分子药物来治疗百日咳博德特氏菌感染,因为百日咳(咳嗽)仍然是世界范围内严重的健康威胁。在这项研究中,设计并合成了一系列以异丙酯双(L-苯丙氨酸)前药形式存在的9- [2-(膦酰基甲氧基)乙基]腺嘌呤的2-取代衍生物(PMEA,阿德福韦),并合成了它们的有效抑制剂。百日咳博德特氏菌分离的腺苷酸环化酶毒素(ACT)。该系列由PMEA类似物组成,这些PMEA类似物在嘌呤部分的C2位置带有直链或支链脂族链或杂原子。具有小的C2取代基的化合物显示出对ACT的高效力,而没有细胞毒性作用,并且对人腺苷酸环化酶亚型AC1,AC2和AC5具有良好的选择性。最有效的ACT抑制剂发现是2-氟PMEA衍生物的双酰胺前体药物(IC 50 = 0.145μ中号)。尽管本文报道的双氨基酸盐前药总体上比双(新戊酰氧甲基)前药(阿德福韦酯)具有更低的活性,但它们的毒性和血浆稳定性却很出色。此外,已显示双