Facile Synthesis of Well-Defined Titanium Alkoxides Based on Benzotriazole Phenoxide Ligands: Efficient Catalysts for Ring-Opening Polymerization of Cyclic Esters

2012 ◽  
Vol 32 (1) ◽  
pp. 172-180 ◽  
Author(s):  
Chen-Yu Li ◽  
Chia-Jung Yu ◽  
Bao-Tsan Ko
Keyword(s):  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Titanium Alkoxides ◽  
Facile Synthesis ◽  
Cyclic Esters

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.

Neutral lutetium complex/polyamine mediated immortal ring-opening polymerization of rac-lactide: facile synthesis of well-defined hydroxyl-end and amide-core stereoregular star polylactide

2015 ◽  
Vol 6 (44) ◽  
pp. 7711-7716 ◽  
Author(s):  
Wei Zhao ◽  
Bo Liu ◽  
Xinli Liu ◽  
Xue Wang ◽  
Yang Wang ◽  
...  
Keyword(s):  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Facile Synthesis

A facile way to obtain well-defined hydroxyl-end and amide-core stereoregular star polylactide.

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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