Abstract
Siderophores are small molecules produced by bacteria under iron-scarcity conditions faced by bacteria inside host. Sideophores bind iron with high affinity (Kd < 10-25 M) and are required for iron transport into the bacterial cell. Small molecules interfering with siderophore functioning can be promising anti-mycobacterial agents. Several molecules with hydrazone as a structural feature are known to have metal chelating property. This prompted us to investigate the metal chelating ability of 2-hydrazino-pyrimidin-4(3H)-one derivatives. In this light, a library of 22 novel molecules with 2- hydrazino-pyrimidin-4(3H)-one moiety was synthesized and the compounds were evaluated against M. tuberculosis under iron-limiting and iron-rich conditions. Interestingly, several molecules showed promising (MIC:<10M) selective activity under iron scarcity conditions. Furthermore, compounds were found to be nontoxic at lower concentration in VERO cell lines using MTT assay. Taken together, we have discovered novel 2-hydrazino-pyrimidin-4(3H)-one molecules active against M. tuberculosis which can be developed as potent antimycobacterial agents.
Keywords: 2-hydrazino-pyrimidin-4(3H)-one, Iron scarcity, Siderophore, Antitubercular
Medicinal Chemistry
Title:Novel 2-hydrazino-pyrimidin-4(3H)-one Derivatives with Pseudofunctional- Similarity to Siderophores as Potential Antimycobacterial Agents
Volume: 9 Issue: 1
Author(s): Ranjeet Bairwa, Nilesh R. Tawari, Amruta Alate, Swapnil Anam, Mariam S. Degani, Muktikant Ray and Ramakrishna M. G. Rajan
Affiliation:
Keywords: 2-hydrazino-pyrimidin-4(3H)-one, Iron scarcity, Siderophore, Antitubercular
Abstract: Siderophores are small molecules produced by bacteria under iron-scarcity conditions faced by bacteria inside host. Sideophores bind iron with high affinity (Kd < 10-25 M) and are required for iron transport into the bacterial cell. Small molecules interfering with siderophore functioning can be promising anti-mycobacterial agents. Several molecules with hydrazone as a structural feature are known to have metal chelating property. This prompted us to investigate the metal chelating ability of 2-hydrazino-pyrimidin-4(3H)-one derivatives. In this light, a library of 22 novel molecules with 2- hydrazino-pyrimidin-4(3H)-one moiety was synthesized and the compounds were evaluated against M. tuberculosis under iron-limiting and iron-rich conditions. Interestingly, several molecules showed promising (MIC:<10M) selective activity under iron scarcity conditions. Furthermore, compounds were found to be nontoxic at lower concentration in VERO cell lines using MTT assay. Taken together, we have discovered novel 2-hydrazino-pyrimidin-4(3H)-one molecules active against M. tuberculosis which can be developed as potent antimycobacterial agents.
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Bairwa Ranjeet, R. Tawari Nilesh, Alate Amruta, Anam Swapnil, S. Degani Mariam, Ray Muktikant and M. G. Rajan Ramakrishna, Novel 2-hydrazino-pyrimidin-4(3H)-one Derivatives with Pseudofunctional- Similarity to Siderophores as Potential Antimycobacterial Agents, Medicinal Chemistry 2013; 9 (1) . https://dx.doi.org/10.2174/1573406411309010077
DOI https://dx.doi.org/10.2174/1573406411309010077 |
Print ISSN 1573-4064 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-6638 |
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