Isoxazolidine Conjugates of N3-Substituted 6-Bromoquinazolinones—Synthesis, Anti-Varizella-Zoster Virus, and Anti-Cytomegalovirus Activity

1,3-Dipolar cycloaddition of N-methyl C-(diethoxyphosphoryl) nitrone to N3-substituted 6-bromo-2-vinyl-3H-quinazolin-4-ones gave (3-diethoxyphosphoryl) isoxazolidines substituted at C5 with quinazolinones modified at N3. All isoxazolidine cycloadducts were screened for antiviral activity against a b...

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Autores principales: Grabkowska-Drużyc, Magdalena, Andrei, Graciela, Schols, Dominique, Snoeck, Robert, Piotrowska, Dorota G.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2018
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6222691/
https://www.ncbi.nlm.nih.gov/pubmed/30060562
http://dx.doi.org/10.3390/molecules23081889
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author Grabkowska-Drużyc, Magdalena
Andrei, Graciela
Schols, Dominique
Snoeck, Robert
Piotrowska, Dorota G.
author_facet Grabkowska-Drużyc, Magdalena
Andrei, Graciela
Schols, Dominique
Snoeck, Robert
Piotrowska, Dorota G.
author_sort Grabkowska-Drużyc, Magdalena
collection PubMed
description 1,3-Dipolar cycloaddition of N-methyl C-(diethoxyphosphoryl) nitrone to N3-substituted 6-bromo-2-vinyl-3H-quinazolin-4-ones gave (3-diethoxyphosphoryl) isoxazolidines substituted at C5 with quinazolinones modified at N3. All isoxazolidine cycloadducts were screened for antiviral activity against a broad spectrum of DNA and RNA viruses. Several isoxazolidines inhibited the replication of both thymidine kinase wild-type and deficient (TK(+) and TK(−)) varicella-zoster virus strains at EC(50) in the 5.4–13.6 μΜ range, as well as human cytomegalovirus (EC(50) = 8.9–12.5 μΜ). Isoxazolidines trans-11b, trans-11c, trans-11e, trans-11f/cis-11f, trans-11g, trans-11h, and trans-11i/cis-11i exhibited moderate cytostatic activity towards the human lymphocyte cell line CEM (IC(50) = 9.6–17 μM).
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spelling pubmed-62226912018-11-13 Isoxazolidine Conjugates of N3-Substituted 6-Bromoquinazolinones—Synthesis, Anti-Varizella-Zoster Virus, and Anti-Cytomegalovirus Activity Grabkowska-Drużyc, Magdalena Andrei, Graciela Schols, Dominique Snoeck, Robert Piotrowska, Dorota G. Molecules Article 1,3-Dipolar cycloaddition of N-methyl C-(diethoxyphosphoryl) nitrone to N3-substituted 6-bromo-2-vinyl-3H-quinazolin-4-ones gave (3-diethoxyphosphoryl) isoxazolidines substituted at C5 with quinazolinones modified at N3. All isoxazolidine cycloadducts were screened for antiviral activity against a broad spectrum of DNA and RNA viruses. Several isoxazolidines inhibited the replication of both thymidine kinase wild-type and deficient (TK(+) and TK(−)) varicella-zoster virus strains at EC(50) in the 5.4–13.6 μΜ range, as well as human cytomegalovirus (EC(50) = 8.9–12.5 μΜ). Isoxazolidines trans-11b, trans-11c, trans-11e, trans-11f/cis-11f, trans-11g, trans-11h, and trans-11i/cis-11i exhibited moderate cytostatic activity towards the human lymphocyte cell line CEM (IC(50) = 9.6–17 μM). MDPI 2018-07-28 /pmc/articles/PMC6222691/ /pubmed/30060562 http://dx.doi.org/10.3390/molecules23081889 Text en © 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Grabkowska-Drużyc, Magdalena
Andrei, Graciela
Schols, Dominique
Snoeck, Robert
Piotrowska, Dorota G.
Isoxazolidine Conjugates of N3-Substituted 6-Bromoquinazolinones—Synthesis, Anti-Varizella-Zoster Virus, and Anti-Cytomegalovirus Activity
title Isoxazolidine Conjugates of N3-Substituted 6-Bromoquinazolinones—Synthesis, Anti-Varizella-Zoster Virus, and Anti-Cytomegalovirus Activity
title_full Isoxazolidine Conjugates of N3-Substituted 6-Bromoquinazolinones—Synthesis, Anti-Varizella-Zoster Virus, and Anti-Cytomegalovirus Activity
title_fullStr Isoxazolidine Conjugates of N3-Substituted 6-Bromoquinazolinones—Synthesis, Anti-Varizella-Zoster Virus, and Anti-Cytomegalovirus Activity
title_full_unstemmed Isoxazolidine Conjugates of N3-Substituted 6-Bromoquinazolinones—Synthesis, Anti-Varizella-Zoster Virus, and Anti-Cytomegalovirus Activity
title_short Isoxazolidine Conjugates of N3-Substituted 6-Bromoquinazolinones—Synthesis, Anti-Varizella-Zoster Virus, and Anti-Cytomegalovirus Activity
title_sort isoxazolidine conjugates of n3-substituted 6-bromoquinazolinones—synthesis, anti-varizella-zoster virus, and anti-cytomegalovirus activity
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6222691/
https://www.ncbi.nlm.nih.gov/pubmed/30060562
http://dx.doi.org/10.3390/molecules23081889
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