Abstract
Cyclonucleosides are defined as analogs of natural nucleosides with an additional covalent bond between the nucleobase and the sugar moiety. They differ from classical nucleosides in more rigid structure and fixed conformation, which are responsible for unique properties and further applications. For instance, rigid structure can determine better interaction of the molecule with the acceptor, which is important in the design new bioactive of compounds. This class of nucleosides is known from the early fifties, when Todd et al. obtained cyclic salts of nucleosides. Although the formation of cyclic salts by purine nucleosides is quite common, the variety of cyclonucleosides is not only limited to this group. Up to now, various miscellaneous purine and pyrimidine cyclonucleosides and their analogs with great structural diversity were obtained; they differ from each other in position, length and type of linkage. Purine cyclonucleosides form a large group of artificially obtained derivatives. However, recently turned out cyclonucleosides also exist in nature. In fact, cyclopurine N3,5-cycloxanthine was isolated from a marine sponge of genus Eryus sp. The aim of this review is to give an overview of the synthesis of some cyclonucleosides according to their structural types and to underline their biological activities. The article also refers to other relevant review articles that have covered particular areas of investigation or have dealt in depth with a single compound.
Keywords: Nucleosides, antiviral, antitumoral, cyclonucleosides
Current Medicinal Chemistry
Title: Potential and Perspectives of Cyclonucleosides
Volume: 17 Issue: 15
Author(s): A. Mieczkowski and L. A. Agrofoglio
Affiliation:
Keywords: Nucleosides, antiviral, antitumoral, cyclonucleosides
Abstract: Cyclonucleosides are defined as analogs of natural nucleosides with an additional covalent bond between the nucleobase and the sugar moiety. They differ from classical nucleosides in more rigid structure and fixed conformation, which are responsible for unique properties and further applications. For instance, rigid structure can determine better interaction of the molecule with the acceptor, which is important in the design new bioactive of compounds. This class of nucleosides is known from the early fifties, when Todd et al. obtained cyclic salts of nucleosides. Although the formation of cyclic salts by purine nucleosides is quite common, the variety of cyclonucleosides is not only limited to this group. Up to now, various miscellaneous purine and pyrimidine cyclonucleosides and their analogs with great structural diversity were obtained; they differ from each other in position, length and type of linkage. Purine cyclonucleosides form a large group of artificially obtained derivatives. However, recently turned out cyclonucleosides also exist in nature. In fact, cyclopurine N3,5-cycloxanthine was isolated from a marine sponge of genus Eryus sp. The aim of this review is to give an overview of the synthesis of some cyclonucleosides according to their structural types and to underline their biological activities. The article also refers to other relevant review articles that have covered particular areas of investigation or have dealt in depth with a single compound.
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Cite this article as:
Mieczkowski A. and Agrofoglio A. L., Potential and Perspectives of Cyclonucleosides, Current Medicinal Chemistry 2010; 17 (15) . https://dx.doi.org/10.2174/092986710790979962
DOI https://dx.doi.org/10.2174/092986710790979962 |
Print ISSN 0929-8673 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-533X |
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