Asymmetric construction of densely functionalized three-dimensional aza-tetracyclic scaffolds were achieved by intramolecular Diels-Alder reaction of bicyclic precursors derived from L-tyrosine. Three substituents were systematically introduced into the developed scaffolds in… Click to show full abstract
Asymmetric construction of densely functionalized three-dimensional aza-tetracyclic scaffolds were achieved by intramolecular Diels-Alder reaction of bicyclic precursors derived from L-tyrosine. Three substituents were systematically introduced into the developed scaffolds in various combinations, demonstrating their high utility in drug discovery.
               
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