To extend the potential of 5'-noraristeromycin (and its enantiomer) as potential antiviral candidates, the enantiomers of the carbocyclic 5'-nor derivatives of 5'-methylthio-5'-deoxyadenosine and 5'-phenylthio-5'-deoxyadenosine have been synthesized and evaluated. None of the compounds showed meaningful antiviral activity.
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