Comparative study of inorganic, boron-rich cluster and organic, phenyl adenosine modifications: synthesis and
Adam Mieczkowski1, Aleksandra Kierozalska2, Magdalena Białek-Pietras2
1Department of Biophysics, Institute of Biochemistry & Biophysics Polish Academy of Sciences, Pawińskiego 5a, 02-106 Warsaw, Poland.
Abstract:
Background: Nucleoside analogs are important class of chemotherapeutics. One of the original openings in the nucleoside medicinal chemistry was derivatives comprising a boron cluster component. Results: A series of adenosine derivative pairs containing inorganic boron cluster or alternatively its mimic, organic phenyl modification were synthesized and their physicochemical and biological properties compared. Marked effects of boron clusters, which are qualitatively and quantitatively different from the phenyl group effects, were detected. The studied characteristics include syn/anti conformation, lipophilicity, cytotoxicity and antiviral activity, as well as phosphorylation by adenosine kinase. Conclusion: The obtained results demonstrate usefulness of the boron clusters for tuning properties of biomolecules and prove their potential as modifying units in design of future therapeutics based on nucleoside structures.
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