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Bioorg Med Chem Lett. 2013 Mar 1;23(5):1537-43. doi: 10.1016/j.bmcl.2012.11.073. Epub 2012 Dec 8.

Pyrrolopyrimidine inhibitors of DNA gyrase B (GyrB) and topoisomerase IV (ParE), Part II: development of inhibitors with broad spectrum, Gram-negative antibacterial activity.

Author information

1
Trius Therapeutics, 6310 Nancy Ridge Dr., San Diego, CA 92121, USA.

Abstract

The structurally related bacterial topoisomerases DNA gyrase (GyrB) and topoisomerase IV (ParE) have long been recognized as prime candidates for the development of broad spectrum antibacterial agents. However, GyrB/ParE targeting antibacterials with spectrum that encompasses robust Gram-negative pathogens have not yet been reported. Using structure-based inhibitor design, we optimized a novel pyrrolopyrimidine inhibitor series with potent, dual targeting activity against GyrB and ParE. Compounds were discovered with broad antibacterial spectrum, including activity against Pseudomonas aeruginosa, Acinetobacter baumannii and Escherichia coli. Herein we describe the SAR of the pyrrolopyrimidine series as it relates to key structural and electronic features necessary for Gram-negative antibacterial activity.

PMID:
23294697
DOI:
10.1016/j.bmcl.2012.11.073
[Indexed for MEDLINE]

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