[HTML][HTML] Poly (lactic acid) stereocomplexes based molecular architectures: Synthesis and crystallization

RM Michell, V Ladelta, E Da Silva, AJ Müller… - Progress in Polymer …, 2023 - Elsevier
This review presents the state of the art of complex macromolecular architectures based on
polylactide stereocomplexes (PLA-sc) from the viewpoint of synthesis and crystallization …

Mechanistic Insights into Selective Indium-Catalyzed Coupling of Epoxides and Lactones

K Hosseini, C Goonesinghe, H Roshandel… - ACS …, 2023 - ACS Publications
Spiro-orthoesters, produced from the coupling of lactones and epoxides, are presequenced
monomers capable of generating alternating poly (ether-alt-esters) after ring-opening …

Rethinking the Lewis Acidity of Cationic Gallium and Indium Catalysts

C Goonesinghe, HJ Jung, IO Betinol, JR Gaffen… - ACS …, 2023 - ACS Publications
Indium compounds are commonly considered weaker Lewis acids than their gallium
counterparts. We explore the difference in Lewis acidity of the cationic dialkylgallium [GaR2 …

About the Influence of (Non‐)Solvents on the Ring Expansion Polymerization of l‐Lactide and the Formation of Extended Ring Crystals

HR Kricheldorf, SM Weidner… - … Chemistry and Physics, 2023 - Wiley Online Library
Ring‐expansion polymerizations (REPs) catalyzed by two cyclic tin catalysts (2‐stanna‐1.3‐
dioxa‐4, 5, 6, 7‐dibenzazepine [SnBiph] and 2, 2‐dibutyl‐2‐stanna‐1, 3‐dithiolane [DSTL]) …

Facile preparation of biodegradable poly (γ-butyrolactone) via base-assisted ring-opening polymerization

A Falconnet, M Nicolas, T Vollgraff, R Konradi… - Green …, 2023 - pubs.rsc.org
(Co) poly-γ-butyrolactone (pGBL) is a thermoplastic material of high interest to replace
common plastics with a more sustainable alternative due to its biodegradability, re …

Controlled Synthesis of High-Molecular-Weight and Isotactic Cyclic Polylactides from rac-Lactide Using Aminophenolate Zinc Chlorides

H Wang, H Ma - Macromolecules, 2024 - ACS Publications
No-end topology provides cyclic polyesters with potential abstracting applications, but more
efficient and selective routes still need to be explored to access cyclic polyesters with high …

Aluminum Complexes Bearing Aminoquinoline Ligands with Different Pendant Donors: Remarkable Impact of Hemilability on the Ring-Opening Polymerization of ε …

S Xiang, J Zhang, S Liu, P Braunstein, Z Li - Macromolecules, 2024 - ACS Publications
Hemilabile ligands are highly promising components of advanced catalysts because their
switchable coordination modes can trigger novel activation and stabilization mechanisms …

Toward the Synthesis of Heteroleptic Zinc ROP Initiators Based on Pyridine-Containing Monoalcohols by Tuning Ligand Substituents

EA Kuchuk, BN Mankaev, KV Zaitsev… - …, 2023 - ACS Publications
Synthesis of two types of complexes (heteroleptic vs homoleptic) is accomplished by an
elegant variation of the ligand design. Heteroleptic ethyl zinc complexes 1a–3a were cleanly …

Phenoxy imine NOON complexes of heavy alkaline earth ions for the ring-opening polymerisation of cyclic esters

RL Jones, ZR Turner, JC Buffet, D O'Hare - Polymer Chemistry, 2024 - pubs.rsc.org
The polymerisation of lactide monomers by heavier alkaline earth complexes supported by a
phenoxy-imine NOON ligand, DippLM (thf) x (DippL=[2, 7-(CNDipp)-1, 8-O-C10H4] 2 …

Low molar mass cyclic poly (l-lactide) s: separate transesterification reactions of cycles and linear chains in the solid state

HR Kricheldorf, SM Weidner - Soft Matter, 2024 - pubs.rsc.org
L-Lactide (LA) was polymerized with neat tin (II) 2-ethylhexanoate (SnOct2) in toluene at
115° C at low concentration with variation of the LA/Cat ratio. Cyclic polylactides (cPLAs) …