Heterometallic cooperativity in divalent metal ProPhenol catalysts: combining zinc with magnesium or calcium for cyclic ester ring-opening polymerisation
Weronika Gruszka, Haopeng Sha, Antoine Buchard, Jennifer A. Garden
Abstract
The first heterobimetallic lactide ROP catalysts based on two divalent metals outperform the homobimetallic analogues, attributed to the increased Lewis acidity of Mg or Ca (monomer coordination) and enhanced polarity of Zn–Et/OR (propagation).
Topics & Concepts
CooperativityDivalentZincCatalysisChemistryMagnesiumMonomerCalciumMetalLewis acids and basesRing (chemistry)PolymerizationPolymer chemistryInorganic chemistryOrganic chemistryPolymerBiochemistrybiodegradable polymer synthesis and propertiesOrganometallic Complex Synthesis and CatalysisCarbon dioxide utilization in catalysis