A guide to direct mechanocatalysis

S Hwang, S Grätz, L Borchardt - Chemical Communications, 2022 - pubs.rsc.org
Direct mechanocatalysis (DM) describes solvent-free catalytic reactions that are initiated by
mechanical forces in mechanochemical reactors such as ball mills. The distinctive feature of …

Tribochemistry, mechanical alloying, mechanochemistry: what is in a name?

AAL Michalchuk, EV Boldyreva, AM Belenguer… - Frontiers in …, 2021 - frontiersin.org
Over the decades, the application of mechanical force to influence chemical reactions has
been called by various names: mechanochemistry, tribochemistry, mechanical alloying, to …

Mechanochemical techniques for the activation and use of zero-valent metals in synthesis

AC Jones, JA Leitch, SE Raby-Buck, DL Browne - Nature Synthesis, 2022 - nature.com
Activating raw, zero-valent metals is an essential capability for chemical processes, which
include synthesis and catalysis. In recent years there has been the discovery and growing …

Methods for monitoring milling reactions and mechanistic studies of mechanochemistry: a primer

PA Julien, T Friščić - Crystal Growth & Design, 2022 - ACS Publications
Mechanochemistry by ball milling is garnering significant attention as an efficient and
versatile means of chemical synthesis which minimizes the need for solvents and reduces …

The Sonogashira Coupling on Palladium Milling Balls—A new Reaction Pathway in Mechanochemistry

W Pickhardt, E Siegfried, S Fabig… - Angewandte Chemie …, 2023 - Wiley Online Library
Utilizing direct mechanocatalytical conditions, the Sonogashira coupling was successfully
performed on the surface of milling tools by using pure Pd and Pd coated steel balls. The …

The Direct Mechanocatalytic Suzuki–Miyaura Reaction of Small Organic Molecules

W Pickhardt, C Beaković, M Mayer… - Angewandte Chemie …, 2022 - Wiley Online Library
The molecular Suzuki cross‐coupling reaction was conducted mechanochemically, without
solvents, ligands, or catalyst powders. Utilizing one catalytically active palladium milling ball …

Direct mechanocatalysis by resonant acoustic mixing (RAM)

CB Lennox, TH Borchers, L Gonnet, CJ Barrett… - Chemical …, 2023 - pubs.rsc.org
We demonstrate the use of a metal surface to directly catalyse copper-catalysed alkyne–
azide click-coupling (CuAAC) reactions under the conditions of Resonant Acoustic Mixing …

From Inert to Catalytically Active Milling Media: Galvanostatic Coating for Direct Mechanocatalysis

M Wohlgemuth, M Mayer, M Rappen… - Angewandte Chemie …, 2022 - Wiley Online Library
The inert milling balls, commonly utilized in mechanochemical reactions, were coated with a
layer of Pd and utilized as catalyst in the direct mechanocatalytic Suzuki reaction. With high …

Milling Medium‐Free Suzuki Coupling by Direct Mechanocatalysis: From Mixer Mills to Resonant Acoustic Mixers

M Wohlgemuth, S Schmidt, M Mayer… - … A European Journal, 2023 - Wiley Online Library
Here we describe the development of a sustainable and cost‐effective approach for catalytic
cross‐coupling reactions in mechanochemistry. It is found that the substrate's impact with the …

Mechanochemistry for Organic and Inorganic Synthesis

JF Reynes, F Leon, F García - ACS Organic & Inorganic Au, 2024 - ACS Publications
In recent years, mechanochemistry has become an innovative and sustainable alternative to
traditional solvent-based synthesis. Mechanochemistry rapidly expanded across a wide …