Synthesis and antiviral properties of spirocyclic [1,2,3]-triazolooxazine nucleosidesDell'Isola, A., McLachlan, M. M. W., Neuman, B. W., Al-Mullah, H. M. N., Binks, A. W. D., Elvidge, W., Shankland, K. and Cobb, A. J. A. (2014) Synthesis and antiviral properties of spirocyclic [1,2,3]-triazolooxazine nucleosides. Chemistry- A European Journal, 20 (37). pp. 11685-11689. ISSN 0947-6539
It is advisable to refer to the publisher's version if you intend to cite from this work. See Guidance on citing. To link to this item DOI: 10.1002/chem.201403560 Abstract/SummaryAn efficient synthesis of spirocyclic triazolooxazine nucleosides is described. This was achieved by the conversion of β-D-psicofuranose to the corresponding azido-derivative, followed by alkylation of the primary alcohol with a range of propargyl bromides - obtained via Sonogashira chemistry. The products of these reactions underwent 1,3-dipolar addition smoothly to generate the protected spirocyclic adducts. These were easily deprotected to give the corresponding ribose nucleosides. The library of compounds obtained was investigated for its antiviral activity, using MHV (Mouse Hepatitis Virus) as a model wherein derivative 3f showed the most promising activity and tolerability.
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