Palladium-catalyzed cycloaddition develops chiral polycyclic imidazolidinones, suggesting new synthetic pathways.
A palladium-catalyzed decarboxylation of 5‑vinyloxazolidine-2,4-diones for in situ generation of aza-π-allylpalladium zwitterionic intermediates, which act as 1,3-N,C-dipoles in enantioselective [3+2] cycloaddition with sterically encumbered cyclic N-sulfonyl ketoimines was first developed....
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Liao et al. (2025) studied this question.
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