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Synthesis of the tetracyclic core of daphnilactone B-type and yuzurimine-type alkaloid
Abstract: The core of daphnilactone B-type and yuzurimine-type alkaloids was synthesized in only 16 steps from a known β-allyl-γ-butyrolactone. The key sequence of Vilsmeier–Haack cyclization and intramolecular azomethine ...
Rapid assembly of quinolizidines via consecutive nucleophilic cyclizations onto activated amides
Abstract: A new approach to the synthesis of quinolizidines involving a cascade of nucleophilic cyclizations triggered by chemoselective amide activation is reported. Particular attention was given to the effect of the ...