Catalysis Design for Ring-Opening Polymerization of Cyclic Esters: 1. Group 1 Metal and Thallium(I) Trispyrazolylborate Complexes with Hemilabile Ligands†

2007 ◽  
Vol 46 (21) ◽  
pp. 8676-8683 ◽  
Author(s):  
Malcolm H. Chisholm ◽  
Judith C. Gallucci ◽  
Gülşah Yaman
Keyword(s):  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Cyclic Esters ◽  
Hemilabile Ligands ◽  
Group 1

Recent progress in the application of group 1, 2 & 13 metal complexes as catalysts for the ring opening polymerization of cyclic esters

2019 ◽  
Vol 6 (10) ◽  
pp. 2619-2652 ◽  
Author(s):  
Jiahao Gao ◽  
Dongzhi Zhu ◽  
Wenjuan Zhang ◽  
Gregory A. Solan ◽  
Yanping Ma ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Ring Opening ◽  
Recent Progress ◽  
Ring Opening Polymerization ◽  
Aliphatic Polyesters ◽  
Cyclic Esters ◽  
Factors Influencing ◽  
Polymer Properties ◽  
Recent Developments ◽  
Group 1

This review focuses on recent developments concerned with the use of well-defined main group complexes as (pre-)catalysts for the ROP of cyclic esters to give aliphatic polyesters; factors influencing catalytic activity, selectivity and polymer properties are all discussed.

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.

Controlling polymer stereochemistry in ring-opening polymerization: a decade of advances shaping the future of biodegradable polyesters

2021 ◽  
Author(s):  
Mathieu J.-L. Tschan ◽  
Régis M. Gauvin ◽  
Christophe M. Thomas
Keyword(s):  
Biodegradable Polymer ◽  
Ring Opening ◽  
Polymer Synthesis ◽  
Ring Opening Polymerization ◽  
Cyclic Esters ◽  
Biodegradable Polyesters ◽  
The Future ◽  
Recent Developments

In this review, we describe recent developments in biodegradable polymer synthesis with a focus on the use of discrete complexes and organocatalysts as active initiators for the stereocontrolled ring-opening polymerization of cyclic esters.

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