Coordination of substitutionally inert phenolate ligands to lanthanide(ii) and (iii) compounds—catalysts for ring-opening polymerization of cyclic esters

2009 ◽  
pp. 2777 ◽  
Author(s):  
Pascal I. Binda ◽  
Ewan E. Delbridge ◽  
Harmon B. Abrahamson ◽  
Brian W. Skelton
Keyword(s):  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Cyclic Esters ◽  
Phenolate Ligands

scholarly journals Synthesis of aluminum complexes supported by 2-(1,10-phenanthrolin-2-yl)phenolate ligands and their catalysis in the ring-opening polymerization of cyclic esters

RSC Advances ◽  
2017 ◽  
Vol 7 (44) ◽  
pp. 27177-27188 ◽  
Author(s):  
Xiang-Xin Zheng ◽  
Zhong-Xia Wang
Keyword(s):  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Block Copolymerization ◽  
Cyclic Esters ◽  
Aluminum Complexes ◽  
Phenolate Ligands

Phenanthroline-phenolate based N,N,O-chelate aluminum complexes were demonstrated to catalyze the ROP of ε-caprolactone, rac-lactide, and rac-β-butyrolactone, as well as their block copolymerization.

A switchable dimeric yttrium complex and its three catalytic states in ring opening polymerization

2021 ◽  
Author(s):  
Shijie Deng ◽  
Paula L. Diaconescu
Keyword(s):  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Oxidation States ◽  
Cyclic Esters

A dimeric yttrium phenoxide complex can be oxidized in a stepwise fashion to access three oxidation states. The three states show different activity in the ring opening polymerization of cyclic esters and epoxides.

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