Self-assembled nanostructures from amphiphilic block copolymers prepared via ring-opening metathesis polymerization (ROMP)

S Varlas, SB Lawrenson, LA Arkinstall… - Progress in Polymer …, 2020 - Elsevier
The development of controlled/living polymerization methodologies has underpinned a
rapid expanse in our understanding of amphiphilic block copolymer self-assembly. In …

Decomposition of ruthenium olefin metathesis catalyst

M Jawiczuk, A Marczyk, B Trzaskowski - Catalysts, 2020 - mdpi.com
Ruthenium olefin metathesis catalysts are one of the most commonly used class of catalysts.
There are multiple reviews on their uses in various branches of chemistry and other …

Automated in silico design of homogeneous catalysts

M Foscato, VR Jensen - ACS catalysis, 2020 - ACS Publications
Catalyst discovery is increasingly relying on computational chemistry, and many of the
computational tools are currently being automated. The state of this automation and the …

Nontraditional catalyst supports in surface organometallic chemistry

RJ Witzke, A Chapovetsky, MP Conley… - ACS …, 2020 - ACS Publications
The field of Surface Organometallic Chemistry (SOMC) aims to blend the positive attributes
of homogeneous and heterogeneous catalysis. Significant insight into heterogeneous …

Inhibition of the decomposition pathways of ruthenium olefin metathesis catalysts: Development of highly efficient catalysts for ethenolysis

R Gawin, A Tracz, P Krajczy… - Journal of the …, 2023 - ACS Publications
Ruthenium-based Hoveyda-type olefin metathesis catalysts bearing novel rigid spirocyclic
alkyl amino carbenes (CAACs) have been developed. They are characterized by …

Bimolecular Coupling in Olefin Metathesis: Correlating Structure and Decomposition for Leading and Emerging Ruthenium− Carbene Catalysts

DL Nascimento, M Foscato, G Occhipinti… - Journal of the …, 2021 - ACS Publications
Bimolecular catalyst decomposition is a fundamental, long-standing challenge in olefin
metathesis. Emerging ruthenium–cyclic (alkyl)(amino) carbene (CAAC) catalysts, which …

Influence of the Norbornene Anchor Group in Ru-Mediated Ring-Opening Metathesis Polymerization: Synthesis of Bottlebrush Polymers

SJ Scannelli, M Alaboalirat, D Troya… - Macromolecules, 2023 - ACS Publications
Ring-opening metathesis polymerization (ROMP) mediated by Grubbs' third-generation
catalyst [G3,(H2IMes)(Cl) 2 (pyr) 2RuCHPh] is widely used to make bottlebrush polymers by …

Impact of ethylene on efficiency and stereocontrol in olefin metathesis: when to add it, when to remove it, and when to avoid it

AH Hoveyda, Z Liu, C Qin, T Koengeter… - Angewandte …, 2020 - Wiley Online Library
Ethylene is the byproduct of olefin metathesis reactions that involve one or more terminal
alkenes. Its volatility is one reason why many cross‐metathesis or ring‐closing metathesis …

Examining the effects of monomer and catalyst structure on the mechanism of ruthenium-catalyzed ring-opening metathesis polymerization

WJ Wolf, TP Lin, RH Grubbs - Journal of the American Chemical …, 2019 - ACS Publications
The mechanism of Ru-catalyzed ring-opening metathesis polymerization (ROMP) is studied
in detail using a pair of third generation ruthenium catalysts with varying sterics of the N …

Water-accelerated decomposition of olefin metathesis catalysts

CO Blanco, DE Fogg - ACS catalysis, 2023 - ACS Publications
Water is ubiquitous in olefin metathesis, at levels ranging from contaminant to cosolvent. It is
also non-benign. Water-promoted catalyst decomposition competes with metathesis, even …