Themed collection RSC Mechanochemistry 2024 Hot Articles


Kinetics of primary mechanochemical covalent-bond-forming reactions
Mechanical activation of reactions can reduce significantly the amounts of solvent and energy required to form covalent organic bonds.
RSC Mechanochem., 2024,1, 11-32
https://doi.org/10.1039/D3MR00018D

Facile mechanochemical synthesis of hypervalent tin(IV)-fused azo/azomethine compounds showing solid-state emission
We demonstrated solvent- and catalyst-free mechanochemical synthesis of hypervalent tin(IV) compounds for luminescent materials without purification.
RSC Mechanochem., 2024,1, 322-327
https://doi.org/10.1039/D4MR00048J

Mechanochemical transformation of tetraaryl[3]cumulenes to benzofulvenes via electrophilic iodocyclization
We demonstrate solvent-free mechanochemical iodocyclization of tetraaryl[3]cumulenes using N-iodosuccinimides as the first example of the molecular transformation of cumulenes based on mechanochemistry.
RSC Mechanochem., 2024,1, 318-321
https://doi.org/10.1039/D4MR00022F

Mechanochemical indium(0)-mediated Barbier allylation of carbonyl compounds: unexpected immiscible water additive effect for hydrophobic reagents
Indium-mediated Barbier allylation exhibited a positive effect with the addition of water under mechanochemical ball-milling conditions.
RSC Mechanochem., 2024,1, 158-161
https://doi.org/10.1039/D4MR00005F

“Wash-free” synthesis of cyclodextrin metal–organic frameworks
We propose a simple and fast mechanochemical synthetic strategy to prepare highly crystalline γ-cyclodextrin-based metal–organic frameworks (solid yield 100%) and simultaneously encapsulate drugs in their porous structure.
RSC Mechanochem., 2024,1, 153-157
https://doi.org/10.1039/D3MR00006K

Dynamic mechanochemistry: accelerated self-sorting of two imine-based metal complexes under solvent-free mechanochemical conditions
Self-sorting of two imine-based Cu(I) and Fe(II) coordination complexes from a six-component reagent library has been achieved through solvent-free mechanochemistry.
RSC Mechanochem., 2024,1, 33-37
https://doi.org/10.1039/D3MR00021D

Thermodynamic limits of the depolymerization of poly(olefin)s using mechanochemistry
Feasibility of mechanochemical depolymerization of commodity poly(olefin)s in a ball mill reactor is assessed using thermodynamic data.
RSC Mechanochem., 2024,1, 504-513
https://doi.org/10.1039/D4MR00079J

Efficient mechanochemistry of beta blockers: neutralization, salification, and effect of liquid additives
The utility of liquid assisted grinding in facilitating the neutralization of commercial beta blocker salts and their free base salification with nicotinic acid/isonicotinic acid is demonstrated. The effect of liquid additives is also investigated.
RSC Mechanochem., 2024,1, 492-503
https://doi.org/10.1039/D4MR00078A

Direct arylation of alkyl fluorides using in situ mechanochemically generated calcium-based heavy Grignard reagents
Here, we report the reaction of calcium-based heavy Grignard reagents, which are easily generated by a mechanochemical method, with unactivated alkyl fluorides to produce the arylated products in moderate to good yields.
RSC Mechanochem., 2024,1, 486-491
https://doi.org/10.1039/D4MR00067F

Rapid and efficient mechanosynthesis of alkali and alkaline earth molybdates
Mechanochemistry provides a convenient and efficient route for synthesizing high purity alkali and alkaline earth heptamolybdates and trimolybdates in high yields.
RSC Mechanochem., 2024,1, 477-485
https://doi.org/10.1039/D4MR00042K

Mechanochemical extraction of edible proteins from moor grass
Extracting edible nutrient-rich food fractions from unconventional sources, such as grass, could play a pivotal role in ensuring food security, bolstering economic prosperity, combating climate change, and enhancing overall quality of life.
RSC Mechanochem., 2024,1, 375-385
https://doi.org/10.1039/D4MR00016A

Advancing sustainable practices in Li-ion battery cathode material recycling: mechanochemical optimisation for magnetic cobalt recovery
A systematic exploration of milling parameters was performed for improving reduction of cobalt from LCO cathode by aluminium, followed by magnetic extraction.
RSC Mechanochem., 2024,1, 393-401
https://doi.org/10.1039/D4MR00018H

Polymer vessels in mechanochemical syntheses: assessing material performance
This work assesses the performance of 16 polymers in mechanochemical reactions, examining six key parameters: cost-effectiveness, environmental impact, mechanical-, thermal- and chemical resistance, and transparency to laser-, and X-ray radiation.
RSC Mechanochem., 2024,1, 386-392
https://doi.org/10.1039/D4MR00059E

Total mechano-synthesis of 2-cyclopropyl-4-(4-fluorophenyl)quinoline-3-acrylaldehyde—a pivotal intermediate of pitavastatin
A new three-step mechano-synthesis method starts with 4-bromoquinoline, uses Suzuki–Miyaura, Minisci C–H alkylation, and oxidation Heck coupling reactions, leading to rapid and eco-friendly synthesis of the key Pitavastatin intermediate.
RSC Mechanochem., 2024,1, 367-374
https://doi.org/10.1039/D4MR00036F

Revealing the mechanism of reductive, mechanochemical Li recycling from LiFePO4
LiFePO4 recycling: The reaction mechanism involved in reductive ball-milling of a straightforward and acid-free mechanochemical recycling approach is elucidated.
RSC Mechanochem., 2024,1, 349-360
https://doi.org/10.1039/D4MR00014E

Mechanochemical synthesis of β-cyclodextrin urea derivatives under reactive CO2 atmosphere by Staudinger aza-Wittig reaction
Easily synthesize various ureido β-cyclodextrins with minimal environmental impact using a fast and solvent-free mechanochemical process under carbon dioxide reactive atmosphere.
RSC Mechanochem., 2024,1, 228-234
https://doi.org/10.1039/D4MR00020J

Mechanochemical synthesis and application of mixed-metal copper–ruthenium HKUST-1 metal–organic frameworks in the electrocatalytic oxygen evolution reaction
Novel electrode materials for electrocatalytic hydrogen generation are investigated for increasing the activity of expensive noble-metal components.
RSC Mechanochem., 2024,1, 296-307
https://doi.org/10.1039/D4MR00021H

Mechanochemical synthesis of zinc-doped hydroxyapatite for tunable micronutrient release
Mechanochemical synthesis using ZnCO3 and monetite/brushite precursors afforded Zn-incorporated hydroxyapatite with tunable Zn concentration-dependent dissolution properties.
RSC Mechanochem., 2024,1, 263-278
https://doi.org/10.1039/D3MR00012E

Mechanochemistry enabled highly efficient solvent-free deoxygenation of phosphine oxides in air
We demonstrate that a mechanochemical protocol enables the highly efficient solvent-free deoxygenation of phosphine oxides with hydrosilanes in the presence of a phosphoric acid additive.
RSC Mechanochem., 2024,1, 250-254
https://doi.org/10.1039/D4MR00011K

Grinding and the anisotropic environment: influences on the diastereoselective formation of Group 15 allyl complexes
Layered solids (AsI3, SbCl3) can serve as templates for diastereomer formation, and mechanochemical variables can shift their ratios.
RSC Mechanochem., 2024,1, 235-243
https://doi.org/10.1039/D4MR00001C

Unprecedented linear products by a mechanochemically activated Biginelli reaction using lawsone
The Biginelli reaction, a crucial multicomponent reaction, was investigated involving 2-hydroxy-1,4-naphthoquinone (lawsone), p-substituted benzaldehydes, and ureas.
RSC Mechanochem., 2024,1, 167-175
https://doi.org/10.1039/D3MR00032J

Diverse metastable diarylacetonitrile radicals generated by polymer mechanochemistry
Diverse diarylacetonitrile radicals were generated by polymeric mechanochemical reactions. Fluorescence wavelengths could be tuned by changing the substituents on the aromatic rings of the generated radicals.
RSC Mechanochem., 2024,1, 181-188
https://doi.org/10.1039/D3MR00031A

Mechanically induced self-propagating reactions (MSRs) to instantly prepare binary metal chalcogenides: assessing the influence of particle size, bulk modulus, reagents melting temperature difference and thermodynamic constants on the ignition time
Mechanically induced self-propagating reactions (MSRs) of metal chalcogenides can be completed within few minutes and seem to be partly governed by particle size distribution and bulk modulus of the reagents.
RSC Mechanochem., 2024,1, 94-105
https://doi.org/10.1039/D3MR00001J

Ball-milling for efficient synthesis of pyridine-containing iron(II) photosensitizers
The use of a ball-mill allowed the efficient one-pot synthesis of iron complexes, involving self-assembly of the ligands, in short reaction times (<1 h). In situ Raman monitoring indicated the fast formation of the ligand and further metalation.
RSC Mechanochem., 2024,1, 116-122
https://doi.org/10.1039/D3MR00033H

Deriving kinetic insights from mechanochemically synthesized compounds using multivariate analysis (MCR-ALS) of powder X-ray diffraction data
Application of MCR-ALS method on PXRD data from ex situ and in situ experiments, to study the kinetics of the co-crystallization of theophylline and malonic acid via mechanochemistry.
RSC Mechanochem., 2024,1, 106-115
https://doi.org/10.1039/D3MR00013C

“What makes every work perfect is cooking and grinding”: the ancient roots of mechanochemistry
The chemical replication of ancient recipes shed light on the importance of grinding in the old times, emphasizing the crucial role of this process in the transformation of matter.
RSC Mechanochem., 2024,1, 123-129
https://doi.org/10.1039/D3MR00035D

Enhanced HP1α homodimer interaction via force-induced salt bridge formation: implications for chromatin crosslinking and phase separation
Unlocking chromatin dyanamics: force-driven salt bridges may spearhead compaction and phase transition.
RSC Mechanochem., 2024,1, 78-93
https://doi.org/10.1039/D3MR00011G

Visualization of mechanochemical polymer-chain scission in double-network elastomers using a radical-transfer-type fluorescent molecular probe
Sacrificial bond cleavage in double-network elastomers was visualized by adding a diarylacetonitrile derivative as a radical-transfer-type fluorescent molecular probe.
RSC Mechanochem., 2024,1, 63-68
https://doi.org/10.1039/D3MR00016H
About this collection
This themed collection features articles published in RSC Mechanochemistry marked as HOT by the handling editor or as recommended by referees. Congratulations to all the authors whose articles are featured.