Electrochemical synthesis of Pd-II polynuclear complexes based on biquinolyl-containing polymers and their catalytic activity in the Suzuki reactionстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:Electrochemical dissolution of sacrificial Pd anode was used to synthesize novel polynuclear Pd-II complexes with ligands based on polyamic acids containing in the main chain biquinolyl groups capable of coordination to the metal ions. The synthesized polymeric complexes exhibit high catalytic activity in the Suzuki reaction. The reaction can be run under mild conditions, at 40 A degrees C and with a sufficiently high product yield at a catalyst concentration of 0.05 mol.% (with respect to the starting aryl halide). The polymeric ligand allows immobilization of the catalyst on the graphite fabric with high specific surface area that enhances the catalyst turnover number and promotes its recycling.