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  • Title: Sequential [3 + 2] and [4 + 2] cycloadditions for stereoselective synthesis of a novel polyheterocyclic scaffold.
    Author: Lu Q, Huang X, Song G, Sun CM, Jasinski JP, Keeley AC, Zhang W.
    Journal: ACS Comb Sci; 2013 Jul 08; 15(7):350-5. PubMed ID: 23701651.
    Abstract:
    A strategy of combining [3 + 2] cycloaddition and intramolecular Diels-Alder reaction is developed for the synthesis of a novel polycyclic scaffold with skeletal and substitutional diversities. Intermediates generated from stereoselective [3 + 2] cycloaddition of azomethine ylides and maleimides were derivatized for intramolecular Diels-Alder reaction of furan to form highly condensed heterocyclic products as racemic single diastereomers.
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