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Synthesis, Microbiological Evaluation and Structure Activity Relationship Analysis of Linezolid Analogues with Different C5-acylamino Substituents.  

Research output: Contribution to journalArticlepeer-review

Taha Al-Adhami, Christos Matsongos, Shirin Jamshidi, Charlotte K. Hind, Melanie Clifford, Mark Sutton, Miraz Rahman

Original languageEnglish
Article number116397
Pages (from-to)1-13
Number of pages13
JournalBioorganic and Medicinal Chemistry
Volume49
Accepted/In press2 Sep 2021

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  • BMC 2021

    BMC_2021.pdf, 1.9 MB, application/pdf

    Uploaded date:06 Oct 2021

    Version:Final published version

    Licence:CC BY

King's Authors

Abstract

Antimicrobial resistance and lack of new antibiotics to treat multidrug-resistant (MDR) bacteria is a significant public health problem. There is a discovery void and the pipeline of new classes of antibiotics in clinical development is almost empty. Therefore, it is important to understand the structure activity relationships (SAR) of current chemical classes as that can help the drug discovery community in their efforts to develop new antibiotics by modifying existing antibiotic classes. We studied the SAR of the C5-acylaminomethyl moiety of the linezolid, an oxazolidinone antibiotic, by synthesizing 25 compounds containing various aromatic, heteroaromatic and aliphatic substitutions. Our findings suggest that this position is highly important for the function of this antibiotic class, since only smaller non-polar fragments are tolerated at this position while larger and polar ones lead to a decrease in activity compared to linezolid. Our findings have led us to construct a structure activity relationship, around the C5-acylaminomethyl moiety of linezolid, that provides valuable insight into the function of the oxazolidinone class of antibiotics.

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