Synthesis, in Vitro Evaluation and Cocrystal Structure of 4-Oxo-[1]benzopyrano[4,3-<i>c</i>]pyrazole <i>Cryptosporidium parvum</i> Inosine 5′-Monophosphate Dehydrogenase (<i>Cp</i>IMPDH) Inhibitors
作者:Zhuming Sun、Jihan Khan、Magdalena Makowska-Grzyska、Minjia Zhang、Joon Hyung Cho、Chalada Suebsuwong、Pascal Vo、Deviprasad R. Gollapalli、Youngchang Kim、Andrzej Joachimiak、Lizbeth Hedstrom、Gregory D. Cuny
DOI:10.1021/jm501527z
日期:2014.12.26
Cryptosporidium inosine 5′-monophosphate dehydrogenase (CpIMPDH) has emerged as a therapeutic target for treating Cryptosporidium parasites because it catalyzes a critical step in guanine nucleotide biosynthesis. A 4-oxo-[1]benzopyrano[4,3-c]pyrazole derivative was identified as a moderately potent (IC50 = 1.5 μM) inhibitor of CpIMPDH. We report a SAR study for this compound series resulting in 8k
隐孢子虫肌苷5'-单磷酸脱氢酶(Cp IMPDH)已成为治疗隐孢子虫寄生虫的治疗靶标,因为它催化了鸟嘌呤核苷酸生物合成的关键步骤。一种4-氧代-[1]苯并吡喃并[4,3- c ]吡唑衍生物被确定为Cp IMPDH的中效抑制剂(IC 50 = 1.5μM)。我们报告了此化合物系列的SAR研究,结果为8k(IC 50 = 20±4 nM)。另外,还提出了Cp IMPDH·IMP· 8k的X射线晶体结构。