4-Alkyl and 4,4′-dialkyl 1,2-bis(4-chlorophenyl)pyrazolidine-3,5- dione derivatives as new inhibitors of bacterial cell wall biosynthesis

Kristina M.K. Kutterer, Jamie M. Davis, Guy Singh, Youjun Yang, William Hu, Anatoly Severin, Beth A. Rasmussen, Girija Krishnamurthy, Amedeo Failli, Alan H. Katz

Research output: Contribution to journalArticlepeer-review

54 Scopus citations

Abstract

Over 195 4-alkyl and 4,4-dialkyl 1,2-bis(4-chlorophenyl)pyrazolidine-3,5- dione derivatives were synthesized, utilizing microwave accelerated synthesis, for evaluation as new inhibitors of bacterial cell wall biosynthesis. Many of them demonstrated good activity against MurB in vitro and low MIC values against Gram-positive bacteria, particularly penicillin-resistant Streptococcus pneumoniae (PRSP). Derivative 7l demonstrated antibacterial activity against both Gram-positive and Gram-negative bacteria. Derivatives 7f and 10a also demonstrated potent nanomolar Kd values in their binding to MurB.

Original languageEnglish
Pages (from-to)2527-2531
Number of pages5
JournalBioorganic and Medicinal Chemistry Letters
Volume15
Issue number10
DOIs
StatePublished - May 16 2005
Externally publishedYes

Keywords

  • Antibacterial activity
  • Microwave-assisted synthesis
  • MurA
  • MurB
  • Pyrazolidinediones

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