Molecular Structure of a Hydridoniobocene Complex [Nb(η5-C5H4SiMe3)2(H)3] and Its Use as Catalyst for the Ring-Opening Polymerization of Cyclic Esters

2012 ◽  
Vol 2012 (7) ◽  
pp. 1139-1144 ◽  
Author(s):  
Carlos Alonso-Moreno ◽  
Antonio Antiñolo ◽  
Joaquín C. García-Martínez ◽  
Santiago García-Yuste ◽  
Isabel López-Solera ◽  
...  
Keyword(s):  
Molecular Structure ◽  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Cyclic Esters

scholarly journals Mono-BHT heteroleptic magnesium complexes: synthesis, molecular structure and catalytic behavior in the ring-opening polymerization of cyclic esters

2017 ◽  
Vol 46 (36) ◽  
pp. 12132-12146 ◽  
Author(s):  
I. E. Nifant'ev ◽  
A. V. Shlyakhtin ◽  
V. V. Bagrov ◽  
M. E. Minyaev ◽  
A. V. Churakov ◽  
...  
Keyword(s):  
Molecular Structure ◽  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Catalytic Behavior ◽  
Cyclic Esters ◽  
Magnesium Complexes

Dimeric BHT-alkoxy magnesium complexes are able to catalyze ROP of lactones and lactides by the binuclear mechanism.

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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