Mechanochemistry of Gaseous Reactants

In recent years, the application of mechanical energy to chemical systems has repeatedly proven beneficial to facilitate chemical transformations in various areas in chemistry. Today, a systematic body of evidence indicates that mechanochemistry holds great promise to become a game‐changer in chemic...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2019-03, Vol.58 (11), p.3285-3299
Main Authors: Bolm, Carsten, Hernández, José G.
Format: Article
Language:English
Subjects:
Ball milling
Chemical reactions
Chemical synthesis
gases
hydrogenation
mechanochemistry
Organic chemistry
oxidation
Reagents
Reviews
Selectivity
Sustainability
Transformations
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Summary:In recent years, the application of mechanical energy to chemical systems has repeatedly proven beneficial to facilitate chemical transformations in various areas in chemistry. Today, a systematic body of evidence indicates that mechanochemistry holds great promise to become a game‐changer in chemical synthesis. Not only does mechanochemistry permit access to products that are inaccessible by established means (e.g. purely thermal activation), mechanochemical reactions often outperform their solution‐based counterparts in terms of sustainability. Most mechanochemical reactions carried out by ball milling techniques involve transformations of solids and liquids, but the number of mechanochemical reactions with gaseous reactants is increasing. The aim of this Minireview is to provide an overview of recent chemical reactions involving gaseous samples by ball milling techniques and to highlight advances in ball milling technology for the safe handling of gaseous reagents. Examples of reactions proceeding at the interface of solid–/liquid–/gas–gas systems that led to significant improvements in reactivity or selectivity will also be highlighted. Keep all the balls in the air: This Minireview presents recent examples in the area of mechanochemistry, in which the exertion of mechanical forces by ball milling has enabled chemical transformations with gaseous reactants, together with the technological advances that facilitated such developments.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201810902