Photocatalytic direct decarboxylation of carboxylic acids to derivatize or degrade polymers

A Adili, AB Korpusik, D Seidel… - Angewandte Chemie …, 2022 - Wiley Online Library
Visible light‐mediated direct decarboxylation of carboxylic acids with an acridine
photocatalyst is a convenient and powerful method to generate carbon‐centered radicals in …

Spotting trends in organocatalyzed and other organomediated (de) polymerizations and polymer functionalizations

M Valle, M **menis, X Lopez de Pariza… - Angewandte Chemie …, 2022 - Wiley Online Library
Organocatalysis has evolved into an effective complement to metal‐or enzyme‐based
catalysis in polymerization, polymer functionalization, and depolymerization. The ease of …

Outer‐Shell Self‐Supported Nickel Catalysts for the Synthesis of Polyolefin Composites

J Li, D Peng, C Tan, C Chen - … Chemie International Edition, 2023 - Wiley Online Library
In situ heterogeneous olefin polymerization has attracted much attention for the synthesis of
polyolefin composites. However, the complicated syntheses of specially designed catalysts …

Ultrahigh branching of main‐chain‐functionalized polyethylenes by inverted insertion selectivity

Y Zhang, C Wang, S Mecking, Z Jian - Angewandte Chemie, 2020 - Wiley Online Library
Branched polyolefin microstructures resulting from so‐called “chain walking” are a
fascinating feature of late transition metal catalysts; however, to date it has not been …

Hydrogen‐Bonding‐Induced Heterogenization of Nickel and Palladium Catalysts for Copolymerization of Ethylene with Polar Monomers

H Zhang, C Zou, H Zhao, Z Cai, C Chen - Angewandte Chemie, 2021 - Wiley Online Library
The practical synthesis of polar‐functionalized polyolefins using transition‐metal‐catalyzed
copolymerization of olefins with polar monomers is a challenge; the use of heterogeneous …

Photoresponsive palladium and nickel catalysts for ethylene polymerization and copolymerization

D Peng, C Chen - Angewandte Chemie, 2021 - Wiley Online Library
In this contribution, we install an azobenzene functionality in olefin polymerization catalysts
and use light to modulate their properties via photoinduced trans–cis isomerization of the …

Recent Advances in Transition Metal‐Based Catalysts for Ethylene Copolymerization with Polar Comonomer

W Ullah Khan, H Mazhar, F Shehzad… - The Chemical …, 2023 - Wiley Online Library
The synthesis of polar functionalized polyolefin (PFP) offers improvement in mixing
properties, polymer surface, and rheological properties with the potential of upgraded …

Catechol‐Functionalized Polyolefins

Y Na, C Chen - Angewandte Chemie International Edition, 2020 - Wiley Online Library
The incorporation of comonomers during ethylene polymerization can efficiently modulate
important material properties of the polyolefins. Utilizing bioresourced comonomers for the …

Efficient Suppression of Chain Transfer and Branching via Cs‐Type Shielding in a Neutral Nickel(II) Catalyst

C Wang, X Kang, S Dai, F Cui, Y Li, H Mu… - Angewandte …, 2021 - Wiley Online Library
An effective shielding of both apical positions of a neutral NiII active site is achieved by
dibenzosuberyl groups, both attached via the same donors' N‐aryl group in a Cs‐type …

Distorted Sandwich α‐Diimine PdII Catalyst: Linear Polyethylene and Synthesis of Ethylene/Acrylate Elastomers

YS Liu, E Harth - Angewandte Chemie, 2021 - Wiley Online Library
The introduction of m‐xylyl substituents to α‐diimine PdII catalyst promotes living ethylene
polymerization at room temperature and low pressure to yield high molecular weight …