Reversible dimethylamine addition as a protecting reaction for α,β-unsaturated methylene groups of γ-lactones and its regeneration by basic elimination of quaternary ammonium salts: A convenient synthesis of dehydrosaussurea lactone |
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| Authors: | Tikam C. Jain Calvin M. Banks J.Edmund McCloskey |
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| Abstract: | The blocking and deblocking sequence pertaining to the α,β-unsaturated methylene γ-lactone unit of costunolide is described. Utilizing this approach a simple and practical synthesis of dehydrosaussurea lactone is reported. |
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