Syntheses and Structures of Tris-β-Diketiminate Lanthanide Complexes and Their High Activity for Ring-Opening Polymerization of ϵ-Caprolactone and L-Lactide

2009 ◽  
Vol 2009 (27) ◽  
pp. 4110-4118 ◽  
Author(s):  
Mingqiang Xue ◽  
Rui Jiao ◽  
Yong Zhang ◽  
Yingming Yao ◽  
Qi Shen
Keyword(s):  
High Activity ◽  
Ring Opening ◽  
Lanthanide Complexes ◽  
Ring Opening Polymerization

The mechanistic duality of (thio)urea organocatalysts for ring-opening polymerization

2019 ◽  
Vol 17 (13) ◽  
pp. 3305-3313 ◽  
Author(s):  
Nayanthara U. Dharmaratne ◽  
Jinal U. Pothupitiya ◽  
Matthew K. Kiesewetter
Keyword(s):  
High Activity ◽  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Precise Control ◽  
New Applications

Dual mechanisms for H-bond mediated ring-opening polymerization allow for precise control, high activity and new applications.

Lutetium and yttrium complexes supported by an anilido-oxazoline ligand for polymerization of 1,3-conjugated dienes and ε-caprolactone

2020 ◽  
Vol 44 (1) ◽  
pp. 121-128
Author(s):  
Wenqiang Li ◽  
Xinxin Jiang ◽  
Yat-Ming So ◽  
Gaohong He ◽  
Yu Pan
Keyword(s):  
High Activity ◽  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Conjugated Dienes ◽  
Conjugated Diene ◽  
Yttrium Complexes

Lutetium and yttrium complexes supported by an anilido-oxazoline ligand exhibit high cis-1,4 stereoselectivity for 1,3-conjugated diene polymerization and high activity for ring-opening polymerization of ε-caprolactone.

scholarly journals High activity of an indium alkoxide complex toward ring opening polymerization of cyclic esters

2015 ◽  
Vol 51 (47) ◽  
pp. 9643-9646 ◽  
Author(s):  
Stephanie M. Quan ◽  
Paula L. Diaconescu
Keyword(s):  
Schiff Base ◽  
High Activity ◽  
Schiff Base Ligand ◽  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Trimethylene Carbonate ◽  
Cyclic Esters ◽  
Indium Complex

An indium complex supported by a ferrocene-derived Schiff base ligand has unprecedented activity toward ε-caprolactone, δ-valerolactone, and β-butyrolactone ring-opening polymerizations. l-Lactide, d,l-lactide, and trimethylene carbonate polymerizations also showed moderate to high activity.

High‐Activity Organocatalysts for Polyether Synthesis via Intramolecular Ammonium Cation Assisted S N 2 Ring‐Opening Polymerization

2020 ◽  
Vol 132 (39) ◽  
pp. 17058-17065 ◽  
Author(s):  
Guan‐Wen Yang ◽  
Yao‐Yao Zhang ◽  
Rui Xie ◽  
Guang‐Peng Wu
Keyword(s):  
High Activity ◽  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Ammonium Cation
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