scholarly journals Synthesis and structures of mono- and di-nuclear aluminium and zinc complexes bearing α-diimine and related ligands, and their use in the ring opening polymerization of cyclic esters

2020 ◽  
Vol 49 (5) ◽  
pp. 1456-1472 ◽  
Author(s):  
Lin Xiao ◽  
Yanxia Zhao ◽  
Sijie Qiao ◽  
Ziyue Sun ◽  
Orlando Santoro ◽  
...  
Keyword(s):  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Zinc Complexes ◽  
Cyclic Esters

Multi-metallic complexes (of Al, Zn) derived from imine-based ligands effectively operate as catalysts for the ring opening polymerization (ROP) of ε-caprolactone (ε-CL), δ-valerolactone (δ-VL) and co-polymerization thereof.

Hybrid Scorpionate/Cyclopentadienyl Magnesium and Zinc Complexes: Synthesis, Coordination Chemistry, and Ring-Opening Polymerization Studies on Cyclic Esters

2010 ◽  
Vol 49 (6) ◽  
pp. 2859-2871 ◽  
Author(s):  
Andrés Garcés ◽  
Luis F. Sánchez-Barba ◽  
Carlos Alonso-Moreno ◽  
Mariano Fajardo ◽  
Juan Fernández-Baeza ◽  
...  
Keyword(s):  
Coordination Chemistry ◽  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Zinc Complexes ◽  
Cyclic Esters

Mono-, di- and tetra-zinc complexes derived from an amino-benzotriazole phenolate ligand containing a bulkier N-alkyl pendant arm: synthesis, structure and catalysis for ring-opening polymerization of cyclic esters

2015 ◽  
Vol 44 (27) ◽  
pp. 12401-12410 ◽  
Author(s):  
Jun-Han Wang ◽  
Chen-Yen Tsai ◽  
Jing-Kai Su ◽  
Bor-Hunn Huang ◽  
Chu-Chieh Lin ◽  
...  
Keyword(s):  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Zinc Complexes ◽  
Cyclic Esters ◽  
Pendant Arm ◽  
Active Initiator

Tetranuclear alkoxide 3 with a saddle-shaped Zn4O4 conformation was an active initiator for living ROP of ε-caprolactone and β-butyrolactone.

Synthesis of Lewis Acidic, Aromatic Aminotroponiminate Zinc Complexes for the Ring-Opening Polymerization of Cyclic Esters

2018 ◽  
Vol 57 (16) ◽  
pp. 9931-9940 ◽  
Author(s):  
Sebastian Kernbichl ◽  
Marina Reiter ◽  
Daniel H. Bucalon ◽  
Philipp J. Altmann ◽  
Alexander Kronast ◽  
...  
Keyword(s):  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Zinc Complexes ◽  
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.

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