Synthesis and anti-HSV activity of tricyclic penciclovir and hydroxybutylguanine derivatives

Mohammed, Anber F., Andrei, Graciela, Hayallah, Alaa M., Abdel-Moty, Samia G., Snoeck, Robert and Simons, Claire ORCID: https://orcid.org/0000-0002-9487-1100 2019. Synthesis and anti-HSV activity of tricyclic penciclovir and hydroxybutylguanine derivatives. Bioorganic & Medicinal Chemistry 27 (6) , pp. 1023-1033. 10.1016/j.bmc.2019.02.005

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Abstract

A series of tricyclic penciclovir (PCV) and hydroxybutylguanine (HBG) derivatives have been prepared with enhanced lipophilicity following an efficient synthetic route. All the novel tricyclic derivatives were evaluated for inhibitory activity against herpes simplex virus 1 and 2 (HSV-1, HSV-2) and thymidine kinase deficient (ACV resistant) HSV-1. The tricyclic HBG derivatives were devoid of inhibitory activity however several of the tricyclic PCV derivatives showed promising antiviral activity, in particular 9g (R = 4-MeO-C6H4) displayed good inhibitory activity (HSV-1 EC50 1.5 μM, HSV-2 EC50 0.8 μM) and retained inhibitory activity in HSV-1 TK− cells (EC50 0.8 μM). Computational docking experiments supported the biological data observed and this preliminary study provides useful data for further development of tricyclic acyclic nucleoside derivatives with improved lipophilicity and retention of activity in HSV-1 TK deficient strains. Also, the new tricyclic derivatives were evaluated against a broad range of other DNA and RNA viruses, but were found to be inactive at subtoxic concentrations. In addition, weak to moderate cytostatic effect was observed for the new compounds.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Pharmacy
Publisher:	Elsevier
ISSN:	0968-0896
Date of First Compliant Deposit:	4 February 2019
Date of Acceptance:	1 February 2019
Last Modified:	01 Dec 2024 23:30
URI:	https://orca.cardiff.ac.uk/id/eprint/119179

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