Nonclassical antifolates, part 4. 5-(2-Aminothiazol-4-yl)-4-phenyl-4H-1,2,4-triazole-3-thiols as a new class of DHFR inhibitors: Synthesis, biological evaluation and molecular modeling study
作者:Ghada S. Hassan、Shahenda M. El-Messery、Fatmah A.M. Al-Omary、Sarah T. Al-Rashood、Marwa I. Shabayek、Yasmin S. Abulfadl、El-Sayed E. Habib、Salwa M. El-Hallouty、Walid Fayad、Khaled M. Mohamed、Bassem S. El-Menshawi、Hussein I. El-Subbagh
DOI:10.1016/j.ejmech.2013.05.039
日期:2013.8
A new series of compounds possessing 5-(2-aminothiazol-4-yl)-4-phenyl-4H-1,2,4-triazole-3-thiol skeleton was designed, synthesized, and evaluated for their in vitro DHFR inhibition, antimicrobial, antitumor and schistosomicidal activities. Four active compounds were allocated, the antibacterial 22 (comparable to gentamicin and ciprofloxacin), the schistosomicidal 29 (comparable to praziquantel), the
设计,合成了一系列具有5-(2-氨基噻唑-4-基)-4-苯基-4 H -1,2,4-三唑-3-硫醇骨架的化合物,并对其体外DHFR抑制进行了评估,抗菌,抗肿瘤和血吸虫活性。分配了四种活性化合物,分别是抗菌药22(相当于庆大霉素和环丙沙星),血吸虫药29(相当于吡喹酮),DHFR抑制剂34(IC 50 0.03μM,比MTX活性高2.7倍)和抗肿瘤药36(相当于阿霉素)。分子模型研究得出结论,关键氨基酸Leu4和Val1的识别对于DHFR结合至关重要。灵活的比对和表面作图表明,所获得的模型可用于开发新型的DHFR抑制剂。