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Unsaturated dideoxy fluoro-ketopyranosyl nucleosides as new cytostatic agents: a convenient synthesis of 2,6-dideoxy-3-fluoro-4-keto-beta-D-glucopyranosyl analogues of uracil, 5-fluorouracil, thymine, N4-benzoyl cytosine and N6-benzoyl adenine. 2009

Stella Manta, and Niki Tzioumaki, and Evangelia Tsoukala, and Aggeliki Panagiotopoulou, and Maria Pelecanou, and Jan Balzarini, and Dimitri Komiotis
Department of Biochemistry and Biotechnology, Laboratory of Organic Chemistry, University of Thessaly, 26 Ploutonos Street, 41221 Larissa, Greece.

The beta-protected nucleosides of uracil (2a), 5-fluorouracil (2b), thymine (2c), N(4)-benzoyl cytosine (2d) and N(6)-benzoyl adenine (2e) were synthesized by condensation of the peracetylated 3-deoxy-3-fluoro-D-glucopyranose (1) with the corresponding silylated bases. The nucleosides were deacetylated and several subsequent protection and deprotection steps afforded the partially acetylated analogues 6a-e. Selective iodination followed by hydrogenation gave the acetylated dideoxy analogues of uracil (8a), 5-fluorouracil (8b), thymine (8c), N(4)-benzoyl cytosine (8d) and N(6)-benzoyl adenine (8e), respectively. Finally, direct oxidation of the free hydroxyl group at the 4'-position of 8a-e, and simultaneous elimination reaction of the beta-acetoxyl group, afforded the desired unsaturated 2,6-dideoxy-3-fluoro-4-keto-beta-D-glucopyranosyl derivatives 9a-e. The new analogues were evaluated for antiviral and cytostatic activity. Compounds 9a-e were not active against a broad panel of DNA and RNA viruses at subtoxic concentrations. However, they were markedly cytostatic against a variety of tumor cell lines. The compounds should be regarded as potential new lead compounds to be further investigated for anticancer therapy.

UI MeSH Term Description Entries
D009705 Nucleosides Purine or pyrimidine bases attached to a ribose or deoxyribose. (From King & Stansfield, A Dictionary of Genetics, 4th ed) Nucleoside,Nucleoside Analog,Nucleoside Analogs,Analog, Nucleoside,Analogs, Nucleoside
D002470 Cell Survival The span of viability of a cell characterized by the capacity to perform certain functions such as metabolism, growth, reproduction, some form of responsiveness, and adaptability. Cell Viability,Cell Viabilities,Survival, Cell,Viabilities, Cell,Viability, Cell
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D000970 Antineoplastic Agents Substances that inhibit or prevent the proliferation of NEOPLASMS. Anticancer Agent,Antineoplastic,Antineoplastic Agent,Antineoplastic Drug,Antitumor Agent,Antitumor Drug,Cancer Chemotherapy Agent,Cancer Chemotherapy Drug,Anticancer Agents,Antineoplastic Drugs,Antineoplastics,Antitumor Agents,Antitumor Drugs,Cancer Chemotherapy Agents,Cancer Chemotherapy Drugs,Chemotherapeutic Anticancer Agents,Chemotherapeutic Anticancer Drug,Agent, Anticancer,Agent, Antineoplastic,Agent, Antitumor,Agent, Cancer Chemotherapy,Agents, Anticancer,Agents, Antineoplastic,Agents, Antitumor,Agents, Cancer Chemotherapy,Agents, Chemotherapeutic Anticancer,Chemotherapy Agent, Cancer,Chemotherapy Agents, Cancer,Chemotherapy Drug, Cancer,Chemotherapy Drugs, Cancer,Drug, Antineoplastic,Drug, Antitumor,Drug, Cancer Chemotherapy,Drug, Chemotherapeutic Anticancer,Drugs, Antineoplastic,Drugs, Antitumor,Drugs, Cancer Chemotherapy
D000998 Antiviral Agents Agents used in the prophylaxis or therapy of VIRUS DISEASES. Some of the ways they may act include preventing viral replication by inhibiting viral DNA polymerase; binding to specific cell-surface receptors and inhibiting viral penetration or uncoating; inhibiting viral protein synthesis; or blocking late stages of virus assembly. Antiviral,Antiviral Agent,Antiviral Drug,Antivirals,Antiviral Drugs,Agent, Antiviral,Agents, Antiviral,Drug, Antiviral,Drugs, Antiviral
D014780 Viruses Minute infectious agents whose genomes are composed of DNA or RNA, but not both. They are characterized by a lack of independent metabolism and the inability to replicate outside living host cells. Animal Viruses,Zoophaginae,Animal Virus,Virus,Virus, Animal,Viruses, Animal
D045744 Cell Line, Tumor A cell line derived from cultured tumor cells. Tumor Cell Line,Cell Lines, Tumor,Line, Tumor Cell,Lines, Tumor Cell,Tumor Cell Lines
D054697 Cytostatic Agents Compounds that inhibit or prevent the proliferation of CELLS. Cytostatic,Cytostatic Agent,Cytostatic Drug,Cytostatic Drugs,Cytostatics,Agent, Cytostatic,Drug, Cytostatic

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