Journal of Medicinal Chemistry, volume 57, issue 21, pages 9078-9095

Novel DNA Gyrase Inhibiting Spiropyrimidinetriones with a Benzisoxazole Scaffold: SAR and in Vivo Characterization

Gregory S. Basarab 1
Patrick Brassil 1
Peter Doig 1
Vincent Galullo 1
Howard B Haimes 1
Gunther Kern 1
Amy Kutschke 1
John McNulty 1
Virna J.A. Schuck 1
Gregory G. Stone 1
Madhusudhan Gowravaram 1
1
 
Infection Innovative Medicines, AstraZeneca R&D Boston, 35 Gatehouse Drive, Waltham, Massachusetts 02451, United States
Publication typeJournal Article
Publication date2014-10-17
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor7.3
ISSN00222623, 15204804
Drug Discovery
Molecular Medicine
Abstract
The compounds described herein with a spirocyclic architecture fused to a benzisoxazole ring represent a new class of antibacterial agents that operate by inhibition of DNA gyrase as corroborated in an enzyme assay and by the inhibition of precursor thymidine into DNA during cell growth. Activity resided in the configurationally lowest energy (2S,4R,4aR) diastereomer. Highly active compounds against Staphylococcus aureus had sufficiently high solubility, high plasma protein free fraction, and favorable pharmacokinetics to suggest that in vivo efficacy could be demonstrated, which was realized with compound (−)-1 in S. aureus mouse infection models. A high drug exposure NOEL on oral dosing in the rat suggested that a high therapeutic margin could be achieved. Importantly, (−)-1 was not cross-resistant with other DNA gyrase inhibitors such as fluoroquinolone and aminocoumarin antibacterials. Hence, this class shows considerable promise for the treatment of infections caused by multidrug resistant bacteria, including S. aureus.

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Basarab G. S. et al. Novel DNA Gyrase Inhibiting Spiropyrimidinetriones with a Benzisoxazole Scaffold: SAR and in Vivo Characterization // Journal of Medicinal Chemistry. 2014. Vol. 57. No. 21. pp. 9078-9095.
GOST all authors (up to 50) Copy
Basarab G. S., Brassil P., Doig P., Galullo V., Haimes H. B., Kern G., Kutschke A., McNulty J., Schuck V. J., Stone G. G., Gowravaram M. Novel DNA Gyrase Inhibiting Spiropyrimidinetriones with a Benzisoxazole Scaffold: SAR and in Vivo Characterization // Journal of Medicinal Chemistry. 2014. Vol. 57. No. 21. pp. 9078-9095.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1021/jm501174m
UR - https://doi.org/10.1021/jm501174m
TI - Novel DNA Gyrase Inhibiting Spiropyrimidinetriones with a Benzisoxazole Scaffold: SAR and in Vivo Characterization
T2 - Journal of Medicinal Chemistry
AU - Brassil, Patrick
AU - Doig, Peter
AU - Galullo, Vincent
AU - Haimes, Howard B
AU - Kern, Gunther
AU - Kutschke, Amy
AU - McNulty, John
AU - Schuck, Virna J.A.
AU - Gowravaram, Madhusudhan
AU - Basarab, Gregory S.
AU - Stone, Gregory G.
PY - 2014
DA - 2014/10/17 00:00:00
PB - American Chemical Society (ACS)
SP - 9078-9095
IS - 21
VL - 57
SN - 0022-2623
SN - 1520-4804
ER -
BibTex |
Cite this
BibTex Copy
@article{2014_Basarab,
author = {Patrick Brassil and Peter Doig and Vincent Galullo and Howard B Haimes and Gunther Kern and Amy Kutschke and John McNulty and Virna J.A. Schuck and Madhusudhan Gowravaram and Gregory S. Basarab and Gregory G. Stone},
title = {Novel DNA Gyrase Inhibiting Spiropyrimidinetriones with a Benzisoxazole Scaffold: SAR and in Vivo Characterization},
journal = {Journal of Medicinal Chemistry},
year = {2014},
volume = {57},
publisher = {American Chemical Society (ACS)},
month = {oct},
url = {https://doi.org/10.1021/jm501174m},
number = {21},
pages = {9078--9095},
doi = {10.1021/jm501174m}
}
MLA
Cite this
MLA Copy
Basarab, Gregory S., et al. “Novel DNA Gyrase Inhibiting Spiropyrimidinetriones with a Benzisoxazole Scaffold: SAR and in Vivo Characterization.” Journal of Medicinal Chemistry, vol. 57, no. 21, Oct. 2014, pp. 9078-9095. https://doi.org/10.1021/jm501174m.
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