"Metathesis Access to Monocyclic Iminocyclitol-Based Therapeutic Agents"

Ileana Dragutan, Valerian Dragutan, Carmen Mitan, Hermanus C. M. Vosloo, Lionel Delaude, and Albert Demonceau

journal cover 
          source: Beilstein Journal of Organic Chemistry
            year: 2011
          volume: 7
      first page: 699
       last page: 716
             doi: 10.3762/bjoc.7.81
graphical abstract

Abstract: By focusing on recent developments on natural and non-natural azasugars (iminocyclitols), this review bolsters the case for the role of olefin metathesis reactions (RCM, CM) as key transformations in the multistep syntheses of pyrrolidine-, piperidine- and azepane-based iminocyclitols, as important therapeutic agents against a range of common diseases and as tools for studying metabolic disorders. Considerable improvements brought about by introduction of one or more metathesis steps are outlined, with emphasis on the exquisite steric control and atom-economical outcome of the overall process. The comparative performance of several established metathesis catalysts is also highlighted.

Keywords: Azasugars, Iminocyclitols, Natural Products, Olefin Metathesis, Ru-Alkylidene Catalysts

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