Tunable and switchable catalysis enabled by cation-controlled gating with crown ether ligands

S Acosta-Calle, AJM Miller - Accounts of Chemical Research, 2023 - ACS Publications
Conspectus Catalysis has become an essential tool in science and technology, impacting
the discovery of pharmaceuticals, the manufacture of commodity chemicals and plastics, the …

Advances on controlled chain walking and suppression of chain transfer in catalytic olefin polymerization

Y Zhang, Y Zhang, X Hu, C Wang, Z Jian - ACS Catalysis, 2022 - ACS Publications
Precise synthesis of the complex polymer structure has been long-sought. In the late
transition-metal catalyzed olefin polymerization, chain walking and chain transfer are two …

Noncovalent interactions in late transition metal-catalyzed polymerization of olefins

H Zheng, H Gao - Macromolecules, 2024 - ACS Publications
Transition metal-catalyzed olefin polymerization dominates in the polyolefin field, and we
still have limited control over a catalyst's behavior. In addition to traditional steric and …

Palladium-catalyzed synthesis of norbornene-based polar-functionalized polyolefin elastomers

W Wang, M Chen, W Pang, Y Li, C Zou… - Macromolecules, 2021 - ACS Publications
Norbornene and derivatives represent an important class of comonomers in polyolefin
synthesis due to their unique cyclic structures. In this contribution, two groups of norbornene …

Promoting Ethylene (co)Polymerization in Aliphatic Hydrocarbon Solvents Using tert‐Butyl Substituted Nickel Catalysts

A Chen, D Liao, C Chen - Chinese Journal of Chemistry, 2022 - Wiley Online Library
Comprehensive Summary In the past few decades, the development of high‐performance
catalysts has been a key driving force and a center of research efforts in the field of olefin …

Customizing polymers by controlling cation switching dynamics in non-living polymerization

TV Tran, E Lee, YH Nguyen, HD Nguyen… - Journal of the American …, 2022 - ACS Publications
Controlling the chain growth process in non-living polymerization reactions is difficult
because chain termination typically occurs faster than the time it takes to apply an external …

Tunable branching and living character in ethylene polymerization using “polyethylene glycol sandwich” α-diimine nickel catalysts

X Ma, Y Zhang, Z Jian - Polymer Chemistry, 2021 - pubs.rsc.org
The secondary coordination interaction that differs from ligand steric and electronic
modification is an important tool to modulate the olefin polymerization process. In this …

Highly versatile strategy for the production of telechelic polyolefins

AA Burkey, DM Fischbach, CM Wentz… - ACS Macro …, 2022 - ACS Publications
A general and versatile synthetic strategy for producing practical quantities of a wide range
of phenyl-group-terminated hetero-and homotelechelic semicrystalline polyethenes and …

Tunable Late-Transition-Metal-Catalyzed Polymerization for Controlled Polymer Synthesis

H Suo, Z Zhang, R Qu, Y Gu, Y Qin - Catalysts, 2023 - mdpi.com
As a powerful protocol for the preparation of common polymers, such as polyolefins,
polyesters, and polycarbonates, late-transition-metal-catalyzed polymerization can be …

Switchable synthesis of ethylene/acrylate copolymers by a dinickel catalyst: Evidence for chain growth on both nickel centers and concepts of cation exchange …

S Xiong, HA Spinney, BC Bailey, BS Henderson… - ACS …, 2024 - ACS Publications
A dinickel complex, X-Ni 2, was developed and demonstrated to have a high performance in
ethylene/acrylate copolymerization. Further mechanistic studies revealed that X-Ni 2 …