Fig. 1: Catalytic polymerization via propargyl/allenyl palladium species: challenge and strategy.
From: Controlled chain-growth polymerization via propargyl/allenyl palladium intermediates

a π-Allyl Pd catalysis in polymer synthesis; b Multipathway-trapping of propargylic/allenylic electrophiles challenges their implementation in polymerization, especially via chain-growth; c Working hypothesis; d This work: realization of Pd-catalyzed controlled chain-growth polymerization of VDCP.