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      Synthesis, reactivity and biological activity of 5-alkoxymethyluracil analogues

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          Summary

          This review article summarizes the results of a long-term investigation of 5-alkoxymethyluracil analogues and is aimed, in particular, at methods of syntheses. Most of the presented compounds were synthesized in order to evaluate their biological activity, therefore, a brief survey of biological activity, especially antiviral, cytotoxic and antibacterial, is also reported.

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          Fluorinated pyrimidines, a new class of tumour-inhibitory compounds.

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            (E)-5-(2-Bromovinyl)-2'-deoxyuridine: a potent and selective anti-herpes agent.

            Of a series of five newly synthesized 2'-deoxyuridine derivatives, including 5-vinyl-dUrd, 5-ethynyl-dUrd, 5-(1-chlorovinyl)-dUrd, (E)-5-(2-bromovinyl)-dUrd, and (E)-5-(2-iodovinyl)-dUrd, the last two compounds were found to exert a marked inhibitory effect on the replication of herpes simplex virus type 1 [ID50 (mean inhibitory dose), 0.004-0.02 microgram/ml]. Both (E)-5-(2-bromovinyl)-dUrd and (E)-5-(2-iodovinyl)-dUrd were highly selective in their anti-herpes activity in that they did not affect the growth or metabolism of the host (primary rabbit kidney) cells unless drug concentrations were used that were 5,000- to 10,000-fold greater than those required to inhibit virus multiplication. In this sense (E)-5-(2-bromovinyl)-dUrd and (E)-5-(2-iodovinyl)-dUrd proved more selective in their activity against herpes simplex virus type 1 than all other anti-herpes compounds that have been described so far. In animal model systems (namely, cutaneous herpes infections of athymic nude mice), (E)-5-(2-bromovinyl)-dUrd suppressed the development of herpetic skin lesions and mortality therewith associated, whether the compound was administered topically or systemically. Under the same conditions, the standard anti-herpes drug 5-iodo-dUrd (Idoxuridine) offered little, if any, protection. Although the precise mechanism of action of (E)-5-(2-bromovinyl)-dUrd and (E)-5-(2-iodovinyl)-dUrd remains to be established, preliminary findings indicate that they do not specifically act at the thymidylate synthetase step.
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              SYNTHESIS OF PSEUDOURIDINE

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                Author and article information

                Contributors
                Role: Editor-in-Chief
                Journal
                Beilstein J Org Chem
                Beilstein Journal of Organic Chemistry
                Beilstein-Institut (Trakehner Str. 7-9, 60487 Frankfurt am Main, Germany )
                1860-5397
                2011
                26 May 2011
                : 7
                : 678-698
                Affiliations
                [1 ]Department of Organic Chemistry, Faculty of Science, Institute of Molecular and Translational Medicine, Palacky University, 17. Listopadu 12, 771 46 Olomouc, Czech Republic. Tel.: +420 585 634 405; Fax: +420 585 634 465
                Article
                10.3762/bjoc.7.80
                3135055
                21804865
                79957bf3-7199-4a95-8ecf-61047d2efc3d
                Copyright © 2011, Brulikova and Hlavac; licensee Beilstein-Institut.

                This is an Open Access article under the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                The license is subject to the Beilstein Journal of Organic Chemistry terms and conditions: ( http://www.beilstein-journals.org/bjoc)

                History
                : 15 February 2011
                : 20 April 2011
                Categories
                Review
                Chemistry
                Organic Chemistry

                Organic & Biomolecular chemistry
                5-alkoxymethyluracil,biological activity,nucleosides
                Organic & Biomolecular chemistry
                5-alkoxymethyluracil, biological activity, nucleosides

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