Design, synthesis, and biological activity of diaryl ether inhibitors of Toxoplasma gondii enoyl reductase
作者:Gang Cheng、Stephen P. Muench、Ying Zhou、Gustavo A. Afanador、Ernest J. Mui、Alina Fomovska、Bo Shiun Lai、Sean T. Prigge、Stuart Woods、Craig W. Roberts、Mark R. Hickman、Patty J. Lee、Susan E. Leed、Jennifer M. Auschwitz、David W. Rice、Rima McLeod
DOI:10.1016/j.bmcl.2013.02.019
日期:2013.4
Triclosan is a potent inhibitor of Toxoplasma gondii enoyl reductase (TgENR), which is an essential enzyme for parasite survival. In view of triclosan's poor druggability, which limits its therapeutic use, a new set of B-ring modified analogs were designed to optimize its physico-chemical properties. These derivatives were synthesized and evaluated by in vitro assay and TgENR enzyme assay. Some analogs display improved solubility, permeability and a comparable MIC50 value to that of triclosan. Modeling of these inhibitors revealed the same overall binding mode with the enzyme as triclosan, but the B-ring modifications have additional interactions with the strongly conserved Asn130. (C) 2013 Elsevier Ltd. All rights reserved.