Nucleoside analogues have displayed significant antivirus and anticancer activities.The synthesis of nucleoside analogues was focused on the modification of the heterocyclic base or sugar or both moieties.[1] Due to the substantial similarity to the furan and cyclopentyl structures, the pyrrolidine ring might be a possible functional moiety that could be incorporated in nucleosides, leading to a new family of biologically significant substances.However, most of synthetic methods available are based on a linear approach involving the synthesis of a sugar ring followed by introduction of the nucleobase by formation of the C-N bond using a substitution reaction.Thus, a direct entry to azacyclic nucleoside is highly desirable.