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    • Organocatalytic Enantioselective Approach to Spirocyclic Δβ,γ-Butenolides 

      Hejmanowska, Joanna; Dzięgielewski, Marek; Kowalczyk, Dorota; Albrecht, Łukasz (2014)
      A novel method for the preparation of the spirocyclic Δβ,γ-butenolides is presented. The developed strategy is based on a trienamine-mediated [4+2]-cycloaddition between (E)-3-alkylidene- 5-arylfuran-2(3H)-ones and ...