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Synthesis and antibacterial activity of the C-7 side chain of 3-aminoquinazolinediones.
Hutchings KM, Tran TP, Ellsworth EL, Watson BM, Sanchez JP, Showalter HD, Stier MA, Shapiro M, Themis Joannides E, Huband M, Nguyen DQ, Maiti S, Li T, Tailor J, Thomas G, Ha C, Singh R. Hutchings KM, et al. Among authors: singh r. Bioorg Med Chem Lett. 2008 Sep 15;18(18):5087-90. doi: 10.1016/j.bmcl.2008.07.117. Epub 2008 Aug 3. Bioorg Med Chem Lett. 2008. PMID: 18752951
3-aminoquinazolinediones as a new class of antibacterial agents demonstrating excellent antibacterial activity against wild-type and multidrug resistant organisms.
Ellsworth EL, Tran TP, Showalter HD, Sanchez JP, Watson BM, Stier MA, Domagala JM, Gracheck SJ, Joannides ET, Shapiro MA, Dunham SA, Hanna DL, Huband MD, Gage JW, Bronstein JC, Liu JY, Nguyen DQ, Singh R. Ellsworth EL, et al. Among authors: singh r. J Med Chem. 2006 Nov 2;49(22):6435-8. doi: 10.1021/jm060505l. J Med Chem. 2006. PMID: 17064062
Structure-activity relationships of 3-aminoquinazolinediones, a new class of bacterial type-2 topoisomerase (DNA gyrase and topo IV) inhibitors.
Tran TP, Ellsworth EL, Sanchez JP, Watson BM, Stier MA, Showalter HD, Domagala JM, Shapiro MA, Joannides ET, Gracheck SJ, Nguyen DQ, Bird P, Yip J, Sharadendu A, Ha C, Ramezani S, Wu X, Singh R. Tran TP, et al. Among authors: singh r. Bioorg Med Chem Lett. 2007 Mar 1;17(5):1312-20. doi: 10.1016/j.bmcl.2006.12.005. Epub 2006 Dec 15. Bioorg Med Chem Lett. 2007. PMID: 17196390
Bacterial two-component signalling as a therapeutic target in drug design. Inhibition of NRII by the diphenolic methanes (bisphenols).
Domagala JM, Alessi D, Cummings M, Gracheck S, Huang L, Huband M, Johnson G, Olson E, Shapiro M, Singh R, Song Y, Van Bogelen R, Vo D, Wold S. Domagala JM, et al. Among authors: singh r. Adv Exp Med Biol. 1998;456:269-86. doi: 10.1007/978-1-4615-4897-3_14. Adv Exp Med Biol. 1998. PMID: 10549373 Review. No abstract available.
Quinazolinone fungal efflux pump inhibitors. Part 2: In vitro structure-activity relationships of (N-methyl-piperazinyl)-containing derivatives.
Watkins WJ, Lemoine RC, Chong L, Cho A, Renau TE, Kuo B, Wong V, Ludwikow M, Garizi N, Iqbal N, Barnard J, Jankowska R, Singh R, Madsen D, Lolans K, Lomovskaya O, Oza U, Dudley MN. Watkins WJ, et al. Among authors: singh r. Bioorg Med Chem Lett. 2004 Oct 18;14(20):5133-7. doi: 10.1016/j.bmcl.2004.07.071. Bioorg Med Chem Lett. 2004. PMID: 15380214
Quinazolinone-based fungal efflux pump inhibitors. Part 1: Discovery of an (N-methylpiperazine)-containing derivative with activity in clinically relevant Candida spp.
Lemoine RC, Glinka TW, Watkins WJ, Cho A, Yang J, Iqbal N, Singh R, Madsen D, Lolans K, Lomovskaya O, Oza U, Dudley MN. Lemoine RC, et al. Among authors: singh r. Bioorg Med Chem Lett. 2004 Oct 18;14(20):5127-31. doi: 10.1016/j.bmcl.2004.07.070. Bioorg Med Chem Lett. 2004. PMID: 15380213
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