[HTML][HTML] Multinuclear metal catalysts in ring-opening polymerization of ε‑caprolactone and lactide: Cooperative and electronic effects between metal centers

LJ Wu, W Lee, PK Ganta, YL Chang, YC Chang… - Coordination Chemistry …, 2023 - Elsevier
Multinuclear metal complexes can effectively improve the catalytic activity of catalysts for ring-
opening polymerization (ROP) of cyclic esters. If the catalytic metal centers are close enough …

Exploiting multimetallic cooperativity in the ring-opening polymerization of cyclic esters and ethers

U Yolsal, PJ Shaw, PA Lowy, R Chambenahalli… - ACS …, 2024 - ACS Publications
The use of multimetallic complexes is a rapidly advancing route to enhance catalyst
performance in the ring-opening polymerization of cyclic esters and ethers. Multimetallic …

N-Heterocyclic carbene iron complexes catalyze the ring-opening polymerization of lactide

PVS Nylund, B Monney, C Weder… - Catalysis science & …, 2022 - pubs.rsc.org
Poly (lactic acid), PLA, which holds great promise as a biodegradable substitute of fossil
resource-derived polyolefins, is industrially produced by the ring-opening polymerization of …

β-Diketiminate and β-Ketoiminate Metal Catalysts for Ring-Opening Polymerization of Cyclic Esters

E Glöckler, S Ghosh, S Schulz - Polymer Reviews, 2023 - Taylor & Francis
This review highlights the ongoing developments on the ring-opening polymerization (ROP)
of lactide (LA) and caprolactone (CL) using mononuclear and dinuclear β-diketiminate-and …

[HTML][HTML] Magnesium-catalyzed stereoselective transformations–A survey through recent achievements

AM Czombik, J Gajewy, A Czapik, M Kwit - Polyhedron, 2022 - Elsevier
Magnesium (Mg) constitutes one of the most abundant metal elements in the Earth's crust.
The spectacular career of magnesium in organic chemistry has been initiated at the …

Dinuclear Mg Complex-Mediated Ring-Opening Polymerization of Lactones: High Molecular Weight and Enhanced Performance

W Wang, BH Ren, GG Gu, TJ Yue, S Zhang… - …, 2024 - ACS Publications
Poly (caprolactone)(PCL) is a promising biomaterial for applications in tissue engineering,
drug delivery systems, and elastomers. However, low catalytic efficiency hinders the …

Active Ga-catalysts for the ring opening homo-and copolymerization of cyclic esters, and copolymerization of epoxide and anhydrides

S Ghosh, E Glöckler, C Wölper, A Tjaberings… - Dalton …, 2020 - pubs.rsc.org
A series of gallium complexes L12Ga4Me8 (1), L22Ga4Me8 (2), and L32Ga4Me8 (3) was
synthesized by reaction of GaMe3 with Schiff base ligands L1–3H2 (L1H2= 2, 4-di-tert-butyl …

Comparison of the Catalytic Activity of Mono‐and Multinuclear Ga Complexes in the ROCOP of Epoxides and Cyclic Anhydrides

S Ghosh, E Glöckler, C Wölper… - European Journal of …, 2022 - Wiley Online Library
Tetranuclear Schiff‐base complexes L1–32Ga4 (t‐Bu) 8 1–3 are highly active and selective
(> 99%) catalyst in the alternating ring‐opening copolymerization (ROCOP) of epoxides and …

Lactides and Lactones Yielding Eco-Friendly and Biocompatible Polymers by Metal-Catalyzed Ring-Opening Polymerization

JP Ruelas-Leyva… - Mini-Reviews in Organic …, 2021 - ingentaconnect.com
Currently, there is a growing interest in the development of suitable methods for the
preparation of eco-friendly and biocompatible materials in order to increase environmental …

Heteroleptic β-Ketoiminate magnesium catalysts for the Ring-Opening Polymerization of Lactide

S Ghosh, E Glöckler, C Wölper, A Tjaberings… - …, 2020 - ACS Publications
A series of heteroleptic β-ketoimine magnesium complexes L1L′ 1 Mg2Cp*(1),
L22Mg2Cp2 (2), L12Mg2 (OAr) 2 (3 and 4), and L22Mg2 (OAr) 2 (5 and 6)(L1 …