Ring-opening polymerization of cyclic esters initiated by zirconium, titanium and yttrium complexes

RSC Advances ◽  
2014 ◽  
Vol 4 (28) ◽  
pp. 14527 ◽  
Author(s):  
Chen-Yen Tsai ◽  
Hong-Cyuan Du ◽  
Jen-Chieh Chang ◽  
Bor-Hunn Huang ◽  
Bao-Tsan Ko ◽  
...  
Keyword(s):  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Cyclic Esters ◽  
Yttrium Complexes

Yttrium Complexes Supported by Linked Bis(amide) Ligand: Synthesis, Structure, and Catalytic Activity in the Ring-Opening Polymerization of Cyclic Esters

2009 ◽  
Vol 48 (9) ◽  
pp. 4258-4266 ◽  
Author(s):  
Tatyana V. Mahrova ◽  
Georgy K. Fukin ◽  
Anton V. Cherkasov ◽  
Alexander A. Trifonov ◽  
Noureddine Ajellal ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Cyclic Esters ◽  
Ligand Synthesis ◽  
Yttrium Complexes

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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