Metal Ion-Mediated Heteroatom Cyclisations. Application of Aryl/Alkenyl Palladium(II)-Based Electrophilic Triggers

Abstract
Reaction of N-substituted allenic amines (4) with a modified palladium(II) electrophile, generated in situ from Pd(0) and either an aryl or alkenyl halide, allows heteroatom cyclisation to be efficiently combined with a sp2-sp2 coupling step leading to pyrrolidines (5) and (6).
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