Synthesis of biodegradable polymers: a review on the use of schiff-base metal complexes as catalysts for the ring opening polymerization (ROP) of cyclic esters

O Santoro, X Zhang, C Redshaw - Catalysts, 2020 - mdpi.com
This review describes the recent advances (from 2008 onwards) in the use of Schiff-base
metal complexes as catalysts for the ring opening polymerization (ROP) of cyclic esters. The …

A comprehensive overview of the orientation of tetradentate N2O2 donor Schiff base ligands in octahedral complexes of trivalent 3d metals

M Karmakar, S Chattopadhyay - Journal of Molecular Structure, 2019 - Elsevier
Trivalent 3d metal complexes having the general formula [M III (L)(X)(Y)][where H 2 L
represents the tetradentate N 2 O 2 donor 'salen type'Schiff base, and X and Y are …

Valence‐variable Catalysts for Redox‐controlled Switchable Ring‐opening Polymerization

B Li, C Hu, X Pang, X Chen - Chemistry–An Asian Journal, 2023 - Wiley Online Library
As a representative class of sustainable polymer materials, biodegradable polymers have
attracted increasing interest in recent years. Despite significant advance of related …

Ring-Opening Polymerization of rac-Lactide Catalyzed by Octahedral Nickel Carboxylate Complexes

A Nikiforov, N Panina, D Blinou, V Gurzhiy… - Catalysts, 2023 - mdpi.com
To date, nickel (II) complexes have not been practically investigated as catalysts in ring-
opening polymerization (ROP) of lactide to produce biodegradable poly (lactic acid), which …

Effect of initiator on the catalytic performance of zinc (II) complexes supported by aminomethylquinoline and aminomethylpyridine derived ligands in stereoselective …

J Lee, D Kim, H Lee, S Nayab, JH Han - Polyhedron, 2022 - Elsevier
Abstract Zinc (II) complexes, namely [L n ZnCl 2](L n= LA–LD) supported with N, N'-bidentate
aminomethylquinoline and aminomethylpyridine derived ligands, such as 2-(piperidin-1 …

Cobalt (II) complex catalyzed polymerization of lactide and coupling of CO2 and styrene oxide into cyclic styrene carbonate

HC Pradhan, S Mantri, A Routaray, T Maharana… - Journal of Chemical …, 2020 - Springer
In the present study, the cobalt (II) complex [Co-HMBED] has been prepared and
characterized by spectrochemical techniques, which confirmed its square planar structure …

Bis (phenyl-β-diketonato) titanium (IV) ethoxide complexes: Ring-opening polymerization of L-lactide by solvent-free microwave irradiation

RM Lord, FD Janeway, L Bird, PC McGowan - Polyhedron, 2022 - Elsevier
A range of functionalized bis (phenyl-β-diketonato) titanium (IV) ethoxide complexes of the
type [Ti (L) 2 (OEt) 2], containing two asymmetric or symmetric phenyl-β-diketonate ligands …

Preparation of titanium complexes containing unsymmetric N2O2-ligands and their catalytic properties for polymerization of rac-lactide

M Hu, W Zhang, W Ma, F Han, W Song - Polymer, 2018 - Elsevier
Abstract Titanium complexes (1–3) of unsymmetric N 2 O 2 ligands (H 2 L) were prepared.
The reaction of H 2 L with NaH and then with TiCl 4 in THF gave a mononuclear complex …

Synthesis and characterization of salen-Ti (IV) complex and application in the controllable polymerization of D, L-lactide

X Li, B Yang, H Zheng, P Wu, G Zeng - Plos one, 2018 - journals.plos.org
Poly (lactic acid) has been extensively investigated in the biomedical field because of its
good biocompatibility and biodegradability. As an important method of poly (lactic acid) …

L2Zn and LZnX complexes bearing half-salphen ligands and their catalysis of ring-opening polymerization of ε-caprolactone

D Zhu, Y Li, J Chen, X Song - Journal of Organometallic Chemistry, 2020 - Elsevier
Zinc complexes L 2 Zn and LZnX were prepared by template synthesis from ZnX 2, N1, N1-
dimethylbenzene-1, 2-diamine and substituted salicylaldehyde (SA). A systematic …