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Wenger LE, Hanusa TP. Synthesis without solvent: consequences for mechanochemical reactivity. Chem Commun (Camb) 2023; 59:14210-14222. [PMID: 37953718 DOI: 10.1039/d3cc04929a] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2023]
Abstract
Solvents are so nearly omnipresent in synthetic chemistry that a classic question for their use has been: "What is the best solvent for this reaction?" The increasing use of mechanochemical approaches to synthesis-by grinding, milling, extrusion, or other means-and usually with no, or only limited, amounts of solvent, has raised an alternative question for the synthetic chemist: "What happens if there is no solvent?" This review focuses on a three-part answer to that question: when there is little change ("solvent-optional" reactions); when solvent needs to be present in some form, even if only in the amounts provided by liquid-assisted (LAG) or solvate-assisted grinding; and those cases in which mechanochemistry allows access to compounds that cannot be obtained from solution-based routes. The emphasis here is on inorganic and organometallic systems, including selected examples of mechanosynthesis and mechanocatalysis. Issues of mechanochemical depictions and the adequacy of LAG descriptions are also reviewed.
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Affiliation(s)
- Lauren E Wenger
- Department of Chemistry, Vanderbilt University, Nashville, Tennessee, 37235, USA.
| | - Timothy P Hanusa
- Department of Chemistry, Vanderbilt University, Nashville, Tennessee, 37235, USA.
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2
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Gonnet L, Borchers TH, Lennox CB, Vainauskas J, Teoh Y, Titi HM, Barrett CJ, Koenig SG, Nagapudi K, Friščić T. The " η-sweet-spot" ( ηmax) in liquid-assisted mechanochemistry: polymorph control and the role of a liquid additive as either a catalyst or an inhibitor in resonant acoustic mixing (RAM). Faraday Discuss 2023; 241:128-149. [PMID: 36239309 DOI: 10.1039/d2fd00131d] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Resonant acoustic mixing (RAM) offers a simple, efficient route for mechanochemical synthesis in the absence of milling media or bulk solvents. Here, we show the use of RAM to conduct the copper-catalysed coupling of sulfonamides and carbodiimides. This coupling was previously reported to take place only by mechanochemical ball milling, while in conventional solution environments it is not efficient, or does not take place at all. The results demonstrate RAM as a suitable methodology to conduct reactions previously accessed only by ball milling and provide a detailed, systematic overview of how the amount of liquid additive, measured by the ratio of liquid volume to weight of reactants (η, in μL mg-1), can affect the course of a mechanochemical reaction and the polymorphic composition of its product. Switching from ball milling to RAM allowed for the discovery of a new polymorph of the model sulfonylguanidine obtained by catalytic coupling of di(cyclohexyl)carbodiimide (DCC) and p-toluenesulfonamide, and the ability to control reaction temperature in RAM enabled in situ control of the polymorphic behaviour of this nascent product. We show that the reaction conversion for a given reaction time does not change monotonically but, instead, achieves a maximum for a well-defined η-value. This "η-sweet-spot" of conversion is herein designated ηmax. The herein explored reactions demonstrate sensitivity to η on the order of 0.01 μL mg-1, which corresponds to an amount of liquid additive below 5 mol% compared to the reactants, and is at least one to two orders of magnitude lower than the η-value typically considered in the design of liquid-assisted ball milling mechanochemical reactions. Such sensitivity suggests that strategies to optimise liquid-assisted mechanochemical reactions should systematically evaluate η-values at increments of 0.01 μL mg-1, or even finer. At η-values other than ηmax the reaction conversion drops off, demonstrating that the same liquid additive can act either as a catalyst or an inhibitor of a mechanochemical reaction, depending on the amount.
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Affiliation(s)
- Lori Gonnet
- Department of Chemistry, McGill University, 801 Sherbrooke St. West, Montreal, QC, H3H 0B8, Canada.
| | - Tristan H Borchers
- Department of Chemistry, McGill University, 801 Sherbrooke St. West, Montreal, QC, H3H 0B8, Canada.
| | - Cameron B Lennox
- Department of Chemistry, McGill University, 801 Sherbrooke St. West, Montreal, QC, H3H 0B8, Canada.
| | - Jogirdas Vainauskas
- Department of Chemistry, McGill University, 801 Sherbrooke St. West, Montreal, QC, H3H 0B8, Canada.
| | - Yong Teoh
- Department of Chemistry, McGill University, 801 Sherbrooke St. West, Montreal, QC, H3H 0B8, Canada.
| | - Hatem M Titi
- Department of Chemistry, McGill University, 801 Sherbrooke St. West, Montreal, QC, H3H 0B8, Canada.
| | - Christopher J Barrett
- Department of Chemistry, McGill University, 801 Sherbrooke St. West, Montreal, QC, H3H 0B8, Canada.
| | - Stefan G Koenig
- Small Molecule Pharmaceutical Sciences, Genentech Inc., One DNA Way, South San Francisco, CA 94080, USA.
| | - Karthik Nagapudi
- Small Molecule Pharmaceutical Sciences, Genentech Inc., One DNA Way, South San Francisco, CA 94080, USA.
| | - Tomislav Friščić
- Department of Chemistry, McGill University, 801 Sherbrooke St. West, Montreal, QC, H3H 0B8, Canada. .,School of Chemistry, University of Birmingham, Edgbaston, B15 2TT, UK.
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3
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Tian G, Zhang C, Wei F. CO x conversion to aromatics: a mini-review of nanoscale performance. NANOSCALE HORIZONS 2022; 7:1478-1487. [PMID: 36102797 DOI: 10.1039/d2nh00307d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The conversion of COx into value-added green aromatics is considered as a promising route to achieve the world's decarbonization due to its considerable thermodynamic driving force and atomic economy where low H/C ratio aromatics are chosen as a product. It is enabled by bifunctional nano-catalysts composed of metal oxides with abundant oxygen vacancies and acid zeolites, thus realizing superior selectivity in hydrocarbons at the single pass of COx conversion. In this mini-review, we mainly provide some thought-provoking insights at the nanoscale of this complicated process including the proximity of active sites, reaction mechanism, asymmetric desorption behavior of intermediates and final products and overall thermodynamic analysis. The facile surface diffusion of intermediates owing to the proximity of active sites stimulates the reaction, which follows an autocatalytic process. This positive feedback attributed to the autocatalytic cycle accelerates the transformation of energy and materials in the thermodynamically optimal direction, making the reaction highly selective towards the final products. This complicated coupling process, like a nano-maze constituted by these micro-environment factors, is complicated in terms of the reaction pathway but highly selective to a fixed direction guided by overall thermodynamics. Deep understanding of such an autocatalytic cycle at the nanoscale paves the way for the rational design of next-generation high-performance catalysts.
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Affiliation(s)
- Guo Tian
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China.
| | - Chenxi Zhang
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China.
| | - Fei Wei
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China.
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4
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Zhou F, Collard L, Robeyns K, Leyssens T, Shemchuk O. L-Proline, a resolution agent able to target both enantiomers of mandelic acid: an exciting case of stoichiometry controlled chiral resolution. Chem Commun (Camb) 2022; 58:8560-8563. [PMID: 35815867 DOI: 10.1039/d2cc02942a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We present a thought-provoking development in chiral resolution. Using a resolving agent of a given handedness, L-proline, we show that both R- and S-enantiomers of mandelic acid can be resolved from a racemic mixture simply by varying the stoichiometry. We are the first to report this specific feature, achieved by the existence of stoichiometrically diverse cocrystal systems between R- and S-mandelic acid and L-proline.
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Affiliation(s)
- Fuli Zhou
- Institute of Condensed Matter and Nanosciences, Université catholique de Louvain, 1 Place Louis Pasteur, B-1348 Louvain-La-Neuve, Belgium.
| | - Laurent Collard
- Institute of Condensed Matter and Nanosciences, Université catholique de Louvain, 1 Place Louis Pasteur, B-1348 Louvain-La-Neuve, Belgium.
| | - Koen Robeyns
- Institute of Condensed Matter and Nanosciences, Université catholique de Louvain, 1 Place Louis Pasteur, B-1348 Louvain-La-Neuve, Belgium.
| | - Tom Leyssens
- Institute of Condensed Matter and Nanosciences, Université catholique de Louvain, 1 Place Louis Pasteur, B-1348 Louvain-La-Neuve, Belgium.
| | - Oleksii Shemchuk
- Institute of Condensed Matter and Nanosciences, Université catholique de Louvain, 1 Place Louis Pasteur, B-1348 Louvain-La-Neuve, Belgium.
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5
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Grepioni F, Casali L, Fiore C, Mazzei L, Sun R, Shemchuk O, Braga D. Steps towards a nature inspired inorganic crystal engineering. Dalton Trans 2022; 51:7390-7400. [PMID: 35466980 DOI: 10.1039/d2dt00834c] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
This Perspective outlines the results obtained at the University of Bologna by applying crystal engineering strategies to develop nature inspired organic-inorganic materials to tackle challenges in the health and environment sectors. It is shown by means of a number of examples that co-crystallization of inorganic salts, such as alkali and transition metal halides, with organic compounds, such as amino acids, urea, thiourea and quaternary ammonium salts, can be successfully used for (i) chiral resolution and conglomerate formation from racemic compounds, (ii) inhibition of soil enzyme activity in order to reduce urea decomposition and environmental pollution, and (iii) preparation of novel agents to tackle antimicrobial resistance. All materials described in this Perspective have been obtained by mechanochemical solvent-free or slurry methods and characterized by solid state techniques. The fundamental idea is that a crystal engineering approach based on the choice of intermolecular interactions (coordination and hydrogen bonds) between organic and inorganic compounds allows obtaining materials with collective properties that are different, and often very much superior to those of the separate components. It is also demonstrated that the success of this strategy depends crucially on cross-disciplinary synergistic exchange with expert scientists in the areas of bioinorganics, microbiology, and chirality application-oriented developments of these novel materials.
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Affiliation(s)
- Fabrizia Grepioni
- Dipartimento di Chimica "Giacomo Ciamician", Università di Bologna, Via Selmi 2, 40126 Bologna, Italy.
| | - Lucia Casali
- Dipartimento di Chimica "Giacomo Ciamician", Università di Bologna, Via Selmi 2, 40126 Bologna, Italy.
| | - Cecilia Fiore
- Dipartimento di Chimica "Giacomo Ciamician", Università di Bologna, Via Selmi 2, 40126 Bologna, Italy.
| | - Luca Mazzei
- Laboratory of Bioinorganic Chemistry, Department of Pharmacy and Biotechnology, University of Bologna, Viale Giuseppe Fanin 40, 40127 Bologna, Italy
| | - Renren Sun
- Dipartimento di Chimica "Giacomo Ciamician", Università di Bologna, Via Selmi 2, 40126 Bologna, Italy. .,School of Chemical Engineering, Zhengzhou University, 450001, Zhengzou, Henan Province, The People's Republic of China
| | - Oleksii Shemchuk
- Institute of Condensed Matter and Nanosciences, UCLouvain, 1 Place Louis Pasteur, B-1348, Belgium
| | - Dario Braga
- Dipartimento di Chimica "Giacomo Ciamician", Università di Bologna, Via Selmi 2, 40126 Bologna, Italy.
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6
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Ardila-Fierro KJ, Rubčić M, Hernández JG. Cocrystal Formation Precedes the Mechanochemically Acetate-Assisted C-H Activation with [Cp*RhCl 2 ] 2. Chemistry 2022; 28:e202200737. [PMID: 35274769 DOI: 10.1002/chem.202200737] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Indexed: 12/16/2022]
Abstract
This work reports the experimentally studied mechanochemical formation of rhodacycles by ball milling pyridine- and quinoline-derived substrates and [Cp*RhCl2 ]2 in the presence of NaOAc. Ex-situ analysis of the mechanochemical reactions using powder X-ray diffraction (PXRD), solid-state UV-vis spectroscopy and ATR-FTIR spectroscopy revealed the formation of unexpected cocrystals between the substrates and the rhodium dimer prior to the C-H activation step. This sequence of events differs from the generally accepted steps in solution in which cleavage of [Cp*RhCl2 ]2 is initiated by acetate ions. Additionally, the mechanochemical approach enabled the synthesis of the six-membered rhodacycle [Cp*Rh(2-benzilpyridine)Cl], a metal complex repeatedly reported as inaccessible in solution. Altogether, the results of this investigation clarify some of the fundamental aspects of mechanochemical cyclometallations.
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Affiliation(s)
- Karen J Ardila-Fierro
- Division of Materials Chemistry, Ruđer Bošković Institute, Bijenička c. 54, 10000, Zagreb, Croatia
| | - Mirta Rubčić
- University of Zagreb, Faculty of Science, Department of Chemistry, Horvatovac 102a, 10000, Zagreb, Croatia
| | - José G Hernández
- Division of Physical Chemistry, Ruđer Bošković Institute, Bijenička c. 54, 10000, Zagreb, Croatia.,Instituto de Química, Facultad de Ciencias Exactas y Naturales, Universidad de Antioquia, Calle 70 No 52-21, Medellín, Colombia
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7
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Lukin S, Germann LS, Friščić T, Halasz I. Toward Mechanistic Understanding of Mechanochemical Reactions Using Real-Time In Situ Monitoring. Acc Chem Res 2022; 55:1262-1277. [PMID: 35446551 DOI: 10.1021/acs.accounts.2c00062] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The past two decades have witnessed a rapid emergence of interest in mechanochemistry-chemical and materials reactivity achieved or sustained by the action of mechanical force-which has led to application of mechanochemistry to almost all areas of modern chemical and materials synthesis: from organic, inorganic, and organometallic chemistry to enzymatic reactions, formation of metal-organic frameworks, hybrid perovskites, and nanoparticle-based materials. The recent success of mechanochemistry by ball milling has also raised questions about the underlying mechanisms and has led to the realization that the rational development and effective harnessing of mechanochemical reactivity for cleaner and more efficient chemical manufacturing will critically depend on establishing a mechanistic understanding of these reactions. Despite their long history, the development of such a knowledge framework for mechanochemical reactions is still incomplete. This is in part due to the, until recently, unsurmountable challenge of directly observing transformations taking place in a rapidly oscillating or rotating milling vessel, with the sample being under the continuous impact of milling media. A transformative change in mechanistic studies of milling reactions was recently introduced through the first two methodologies for real-time in situ monitoring based on synchrotron powder X-ray diffraction and Raman spectroscopy. Introduced in 2013 and 2014, the two new techniques have inspired a period of tremendous method development, resulting also in new techniques for mechanistic mechanochemical studies that are based on temperature and/or pressure monitoring, extended X-ray fine structure (EXAFS), and, latest, nuclear magnetic resonance (NMR) spectroscopy. The new technologies available for real-time monitoring have now inspired the development of experimental strategies and advanced data analysis approaches for the identification and quantification of short-lived reaction intermediates, the development of new mechanistic models, as well as the emergence of more complex monitoring methodologies based on two or three simultaneous monitoring approaches. The use of these new opportunities has, in less than a decade, enabled the first real-time observations of mechanochemical reaction kinetics and the first studies of how the presence of additives, or other means of modifying the mechanochemical reaction, influence reaction rates and pathways. These studies have revealed multistep reaction mechanisms, enabled the identification of autocatalysis, as well as identified molecules and materials that have previously not been known or have even been considered not possible to synthesize through conventional approaches. Mechanistic studies through in situ powder X-ray diffraction (PXRD) and Raman spectroscopy have highlighted the formation of supramolecular complexes (for example, cocrystals) as critical intermediates in organic and metal-organic synthesis and have also been combined with isotope labeling strategies to provide a deeper insight into mechanochemical reaction mechanisms and atomic and molecular dynamics under milling conditions. This Account provides an overview of this exciting, rapidly evolving field by presenting the development and concepts behind the new methodologies for real-time in situ monitoring of mechanochemical reactions, outlining key advances in mechanistic understanding of mechanochemistry, and presenting selected studies important for pushing forward the boundaries of measurement techniques, data analysis, and mapping of reaction mechanisms.
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Affiliation(s)
- Stipe Lukin
- Ruđer Bošković Institute, Bijenička c. 54, 10000 Zagreb, Croatia
| | - Luzia S. Germann
- Department of Chemistry, McGill University, 801 Sherbrooke St. W. H3A 0B8 Montreal, Canada
| | - Tomislav Friščić
- Department of Chemistry, McGill University, 801 Sherbrooke St. W. H3A 0B8 Montreal, Canada
| | - Ivan Halasz
- Ruđer Bošković Institute, Bijenička c. 54, 10000 Zagreb, Croatia
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8
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Yadav VK, Gnanamoorthy G, Yadav KK, Ali IH, Bagabas AA, Choudhary N, Yadav S, Suriyaprabha R, Islam S, Modi S, Cabral-Pinto M. Utilization of Incense Stick Ash in Hydrometallurgy Methods for Extracting Oxides of Fe, Al, Si, and Ca. MATERIALS (BASEL, SWITZERLAND) 2022; 15:1879. [PMID: 35269110 PMCID: PMC8911598 DOI: 10.3390/ma15051879] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 02/08/2022] [Accepted: 02/11/2022] [Indexed: 01/01/2023]
Abstract
With rapid industrialization, there is an ever-increasing demand for iron oxides, calcium oxides, aluminum oxides, silica, and zeolites as raw materials for various industries, but reserves of such metal oxides are continuously diminishing. Therefore, there is an urgent need to explore new alternatives for such value-added minerals. One such material is incense stick ash (ISA), which is among the most unexplored byproducts from residential and holy places. Currently, ISA is of no use and it is disposed of in millions of tons (MTs) in rivers and other water bodies in India due to its sacred value. The major chemical composition of ISA is calcium, silica, alumina, ferrous minerals, magnesium, and traces of Na, K, P, Ti, etc. Major fractions of ISA, i.e., 50-60%, are made up of calcium and magnesium oxides; 20-30% of ISA is made up of silica, alumina, and ferrous minerals, as revealed by X-ray fluorescence spectroscopy (XRF). In the present research work, methods of recovery of value-added micro and nano minerals from ISA are suggested, using cost-effective techniques and an eco-friendly approach. Firstly, magnetic fractions were recovered by a magnetic separation method; then, alumina, silica, and calcium oxides were synthesized from non-magnetic fractions. The confirmation of the synthesized and extracted nanomaterials was done by Fourier transform infrared spectroscopy (FTIR), particle size analyzer (PSA), X-ray diffraction (XRD), field emission scanning electron microscopy with electron diffraction spectroscopy (FESEM-EDS), and transmission electron microscopy (TEM). The purity of synthesized particles varied from 40-80%. In the future, ISA will prove to be an alternative resource material for Fe, Ca, Si, C, Al, and zeolites, which will minimize solid waste pollution and water pollution arising due to the disposal of ISA into water bodies.
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Affiliation(s)
- Virendra Kumar Yadav
- Department of Microbiology, School of Sciences, P P Savani University, Kosamba, Surat 394125, Gujarat, India
| | - Govindhan Gnanamoorthy
- Department of Inorganic Chemistry, University of Madras, Guindy Campus, Chennai 600025, Tamil Nadu, India;
| | - Krishna Kumar Yadav
- Faculty of Science and Technology, Madhyanchal Professional University, Ratibad, Bhopal 462044, Madhya Pradesh, India;
| | - Ismat H. Ali
- Department of Chemistry, College of Science, King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia;
| | - Abdulaziz A. Bagabas
- National Petrochemical Technology Center (NPTC), Materials Science Research Institute (MSRI), King Abdulaziz City for Science Technology (KACST), P.O. Box 6086, Riyadh 11442, Saudi Arabia;
| | - Nisha Choudhary
- Department of Environmental Sciences, School of Sciences, P P Savani University, Kosamba, Surat 394125, Gujarat, India;
| | - Shalini Yadav
- Department of Civil Engineering, Rabindranath Tagore University, Raisen 462045, Madhya Pradesh, India;
| | - Rajendran Suriyaprabha
- School of Nanosciences, Central University of Gujarat, Gandhinagar 382030, Gujarat, India;
| | - Saiful Islam
- Civil Engineering Department, College of Engineering, King Khalid University, Abha 61413, Saudi Arabia;
| | - Shreya Modi
- Department of Microbiology, Shri Sarvajanik Science College, Mehasana 384001, Gujarat, India;
| | - Marina Cabral-Pinto
- Geobiotec Research Centre, Department of Geoscience, University of Aveiro, 3810-193 Aveiro, Portugal
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9
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Parakatawella S, Gogoi D, Deka P, Xu Y, Sandaruwan C, Jayasundera ACA, Arhangelskis M, Thakuria R, Adassooriya NM. Mechanochemical Synthesis of Polymorphic Urea ⋅ Adipic Acid Cocrystal as a Sustained-Release Nitrogen Source. CHEMSUSCHEM 2022; 15:e202102445. [PMID: 34939741 DOI: 10.1002/cssc.202102445] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 12/03/2021] [Indexed: 06/14/2023]
Abstract
A 2 : 1 urea ⋅ adipic acid cocrystal was obtained in two polymorphic forms (Form I reported earlier, and Form II synthesized in this study) using mechanochemistry as well as solution crystallization. Lower solubility and leaching study showed the newly synthesized urea ⋅ adipic acid 2 : 1 cocrystal to be an efficient sustained-release nitrogen fertilizer compared to commercially available urea.
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Affiliation(s)
- Shalika Parakatawella
- Postgraduate Institute of Science, University of Peradeniya, 20400, Peradeniya, Sri Lanka
| | - Diptajyoti Gogoi
- Department of Chemistry, Gauhati University, Guwahati, 781014, Assam, India
| | - Poonam Deka
- Department of Chemistry, Gauhati University, Guwahati, 781014, Assam, India
| | - Yizhi Xu
- Faculty of Chemistry, University of Warsaw, 1 Pasteura Street, 02-093, Warsaw, Poland
| | - Chanaka Sandaruwan
- Sri Lanka Institute of Nanotechnology, Pitipana, 10200 Homagama, Sri Lanka
| | - Anil C A Jayasundera
- Postgraduate Institute of Science, University of Peradeniya, 20400, Peradeniya, Sri Lanka
- Department of Chemistry, University of Peradeniya, 20400, Peradeniya, Sri Lanka
| | - Mihails Arhangelskis
- Faculty of Chemistry, University of Warsaw, 1 Pasteura Street, 02-093, Warsaw, Poland
| | - Ranjit Thakuria
- Department of Chemistry, Gauhati University, Guwahati, 781014, Assam, India
| | - Nadeesh M Adassooriya
- Postgraduate Institute of Science, University of Peradeniya, 20400, Peradeniya, Sri Lanka
- Department of Chemical & Process Engineering, Faculty of Engineering, University of Peradeniya, 20400, Peradeniya, Sri Lanka
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10
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Williams MTJ, Morrill LC, Browne DL. Mechanochemical Organocatalysis: Do High Enantioselectivities Contradict What We Might Expect? CHEMSUSCHEM 2022; 15:e202102157. [PMID: 34767693 PMCID: PMC9300213 DOI: 10.1002/cssc.202102157] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 11/09/2021] [Indexed: 05/10/2023]
Abstract
Ball mills input energy to samples by pulverising the contents of the jar. Each impact on the sample or wall of the jar results in an instantaneous transmission of energy in the form of a temperature and pressure increase (volume reduction). Conversely, enantioselective organocatalytic reactions proceed through perceived delicate and well-organised transition states. Does there exist a dichotomy in the idea of enantioselective mechanochemical organocatalysis? This Review provides a survey of the literature reporting the combination of organocatalytic reactions with mechanochemical ball milling conditions. Where possible, direct comparisons of stirred in solution, stirred neat and ball milled processes are drawn with a particular focus on control of stereoselectivity.
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Affiliation(s)
- Matthew T. J. Williams
- Cardiff Catalysis InstituteSchool of ChemistryCardiff UniversityPark PlaceCardiffCF10 3ATUK
| | - Louis C. Morrill
- Cardiff Catalysis InstituteSchool of ChemistryCardiff UniversityPark PlaceCardiffCF10 3ATUK
| | - Duncan L. Browne
- Department of Pharmaceutical and Biological ChemistrySchool of PharmacyUniversity College London29–39 Brunswick Square, BloomsburyLondonWC1N 1AXUK
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11
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Casali L, Feiler T, Heilmann M, Braga D, Emmerling F, Grepioni F. Too much water? Not enough? In situ monitoring of the mechanochemical reaction of copper salts with dicyandiamide. CrystEngComm 2022. [DOI: 10.1039/d1ce01670a] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In situ monitoring, via X-ray and Raman spectroscopy, of mechanochemical reactions between dicyandiamide and copper(ii) salts shows that the amount of added water and the milling frequency strongly impact on the products of the solid state synthesis.
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Affiliation(s)
- Lucia Casali
- Department of Chemistry “G. Ciamician”, University of Bologna, 40126 Bologna, Italy
| | - Torvid Feiler
- BAM Federal Institute for Materials Research and Testing, 12489 Berlin, Germany
| | - Maria Heilmann
- BAM Federal Institute for Materials Research and Testing, 12489 Berlin, Germany
| | - Dario Braga
- Department of Chemistry “G. Ciamician”, University of Bologna, 40126 Bologna, Italy
| | - Franziska Emmerling
- BAM Federal Institute for Materials Research and Testing, 12489 Berlin, Germany
| | - Fabrizia Grepioni
- Department of Chemistry “G. Ciamician”, University of Bologna, 40126 Bologna, Italy
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12
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Adassooriya NM, Mahanta SP, Thakuria R. Mechanochemistry as an Emerging Tool for Preparation of Sustained Release Urea Cocrystals as a Nitrogen Source. CrystEngComm 2022. [DOI: 10.1039/d1ce01713f] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
As the global community facing serious challenges such as increasing population and shrinking cultivation land that will raise an issue regarding sufficient food demand; a 70–100% expansion in global food...
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13
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Vojvodin CS, Holmes ST, Watanabe LK, Rawson JM, Schurko R. Multi-Component Crystals Containing Urea: Mechanochemical Synthesis and Characterization by 35Cl Solid-State NMR Spectroscopy and DFT Calculations. CrystEngComm 2022. [DOI: 10.1039/d1ce01610e] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Mechanochemical synthesis provides new pathways for the rational design of multi-component crystals (MCCs) involving anionic or cationic components, which offer molecular-level architectures unavailable to MCCs comprised of strictly neutral components....
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Rathmann T, Petersen H, Reichle S, Schmidt W, Amrute AP, Etter M, Weidenthaler C. In situ synchrotron x-ray diffraction studies monitoring mechanochemical reactions of hard materials: Challenges and limitations. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2021; 92:114102. [PMID: 34852549 DOI: 10.1063/5.0068627] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Accepted: 10/26/2021] [Indexed: 06/13/2023]
Abstract
In situ monitoring of mechanochemical reactions of soft matter is feasible by synchrotron diffraction experiments. However, so far, reactions of hard materials in existing polymer milling vessels failed due to insufficient energy input. In this study, we present the development of a suitable setup for in situ diffraction experiments at a synchrotron facility. The mechanochemical transformation of boehmite, γ-AlOOH, to corundum, α-Al2O3, was chosen as a model system. The modifications of the mill's clamping system and the vessels themselves were investigated separately. Starting from a commercially available Retsch MM 400 shaker mill, the influence of the geometrical adaptation of the setup on the milling process was investigated. Simply extending the specimen holder proved to be not sufficient because changes in mechanical forces need to be accounted for in the construction of optimized extensions. Milling vessels that are suitable for diffraction experiments and also guarantee the required energy input as well as mechanical stability were developed. The vessels consist of a steel body and modular polymer/steel rings as x-ray transparent windows. In addition, the vessels are equipped with a gas inlet and outlet system that is connectable to a gas analytics setup. Based on the respective modifications, the transformation of boehmite to corundum could be observed in an optimized setup.
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Affiliation(s)
- Tobias Rathmann
- Max-Planck-Institut für Kohlenforschung, Heterogeneous Catalysis, Kaiser-Wilhelm-Platz 1, 45470 Mülheim, Germany
| | - Hilke Petersen
- Max-Planck-Institut für Kohlenforschung, Heterogeneous Catalysis, Kaiser-Wilhelm-Platz 1, 45470 Mülheim, Germany
| | - Steffen Reichle
- Max-Planck-Institut für Kohlenforschung, Heterogeneous Catalysis, Kaiser-Wilhelm-Platz 1, 45470 Mülheim, Germany
| | - Wolfgang Schmidt
- Max-Planck-Institut für Kohlenforschung, Heterogeneous Catalysis, Kaiser-Wilhelm-Platz 1, 45470 Mülheim, Germany
| | - Amol P Amrute
- Max-Planck-Institut für Kohlenforschung, Heterogeneous Catalysis, Kaiser-Wilhelm-Platz 1, 45470 Mülheim, Germany
| | - Martin Etter
- Deutsches Elektronen Synchrotron (DESY) P02.1 PETRA III, Notkestr. 85, 22607 Hamburg, Germany
| | - Claudia Weidenthaler
- Max-Planck-Institut für Kohlenforschung, Heterogeneous Catalysis, Kaiser-Wilhelm-Platz 1, 45470 Mülheim, Germany
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15
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Kendall T, Stratford S, Patterson AR, Lunt RA, Cruickshank D, Bonnaud T, Scott CD. An industrial perspective on co-crystals: Screening, identification and development of the less utilised solid form in drug discovery and development. PROGRESS IN MEDICINAL CHEMISTRY 2021; 60:345-442. [PMID: 34147205 DOI: 10.1016/bs.pmch.2021.05.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Active pharmaceutical ingredients are commonly marketed as a solid form due to ease of transport, storage and administration. In the design of a drug formulation, the selection of the solid form is incredibly important and is traditionally based on what polymorphs, hydrates or salts are available for that compound. Co-crystals, another potential solid form available, are currently not as readily considered as a viable solid form for the development process. Even though co-crystals are gaining an ever-increasing level of interest within the pharmaceutical community, their acceptance and application is still not as standard as other solid forms such as the ubiquitous pharmaceutical salt and stabilised amorphous formulations. Presented in this chapter is information that would allow for a co-crystal screen to be planned and conducted as well as scaled up using solution and mechanochemistry based methods commonly employed in both the literature and industry. Also presented are methods for identifying the formation of a co-crystal using a variety of analytical techniques as well as the importance of confirming the formation of co-crystals from a legal perspective and demonstrating the legal precedent by looking at co-crystalline products already on the market. The benefits of co-crystals have been well established, and presented in this chapter are a selection of examples which best exemplify their potential. The goal of this chapter is to increase the understanding of co-crystals and how they may be successfully exploited in early stage development.
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Affiliation(s)
- Thomas Kendall
- Technobis Crystallization Systems, Alkmaar, The Netherlands.
| | - Sam Stratford
- Johnson Matthey, Pharmorphix, Cambridge, United Kingdom
| | | | - Ruth A Lunt
- Johnson Matthey, Pharmorphix, Cambridge, United Kingdom
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16
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Ardila-Fierro KJ, Hernández JG. Sustainability Assessment of Mechanochemistry by Using the Twelve Principles of Green Chemistry. CHEMSUSCHEM 2021; 14:2145-2162. [PMID: 33835716 DOI: 10.1002/cssc.202100478] [Citation(s) in RCA: 171] [Impact Index Per Article: 57.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 04/07/2021] [Indexed: 05/22/2023]
Abstract
In recent years, mechanochemistry has been growing into a widely accepted alternative for chemical synthesis. In addition to their efficiency and practicality, mechanochemical reactions are also recognized for their sustainability. The association between mechanochemistry and Green Chemistry often originates from the solvent-free nature of most mechanochemical protocols, which can reduce waste production. However, mechanochemistry satisfies more than one of the Principles of Green Chemistry. In this Review we will present a series of examples that will clearly illustrate how mechanochemistry can significantly contribute to the fulfillment of Green Chemistry in a more holistic manner.
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Affiliation(s)
- Karen J Ardila-Fierro
- Division of Physical Chemistry, Ruđer Bošković Institute, Bijenička c. 54, 10000, Zagreb, Croatia
| | - José G Hernández
- Division of Physical Chemistry, Ruđer Bošković Institute, Bijenička c. 54, 10000, Zagreb, Croatia
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17
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Lapshin OV, Boldyreva EV, Boldyrev VV. Role of Mixing and Milling in Mechanochemical Synthesis (Review). RUSS J INORG CHEM+ 2021. [DOI: 10.1134/s0036023621030116] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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18
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Ying P, Yu J, Su W. Liquid‐Assisted Grinding Mechanochemistry in the Synthesis of Pharmaceuticals. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202001245] [Citation(s) in RCA: 80] [Impact Index Per Article: 26.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Ping Ying
- College of Pharmaceutical Science Zhejiang University of Technology Hangzhou 310014 People's Republic of China
| | - Jingbo Yu
- National Engineering Research Center for Process Development of Active Pharmaceutical Ingredients Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals Zhejiang University of Technology Hangzhou 310014 People's Republic of China
| | - Weike Su
- National Engineering Research Center for Process Development of Active Pharmaceutical Ingredients Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals Zhejiang University of Technology Hangzhou 310014 People's Republic of China
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19
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Traversari G, Porcheddu A, Pia G, Delogu F, Cincotti A. Coupling of mechanical deformation and reaction in mechanochemical transformations. Phys Chem Chem Phys 2021; 23:229-245. [DOI: 10.1039/d0cp05647b] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Co-deformation and forced mixing contribute to the rate of chemical reaction between molecular solids subjected to mechanical processing.
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Affiliation(s)
- Gabriele Traversari
- Department of Mechanical
- Chemical and Materials Engineering
- University of Cagliari
- 09123 Cagliari
- Italy
| | - Andrea Porcheddu
- Department of Chemical and Geological Sciences
- University of Cagliari
- Cittadella Universitaria
- 09042 Monserrato
- Italy
| | - Giorgio Pia
- Department of Mechanical
- Chemical and Materials Engineering
- University of Cagliari
- 09123 Cagliari
- Italy
| | - Francesco Delogu
- Department of Mechanical
- Chemical and Materials Engineering
- University of Cagliari
- 09123 Cagliari
- Italy
| | - Alberto Cincotti
- Department of Mechanical
- Chemical and Materials Engineering
- University of Cagliari
- 09123 Cagliari
- Italy
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20
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Pickhardt W, Grätz S, Borchardt L. Direct Mechanocatalysis: Using Milling Balls as Catalysts. Chemistry 2020; 26:12903-12911. [PMID: 32314837 PMCID: PMC7589287 DOI: 10.1002/chem.202001177] [Citation(s) in RCA: 61] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Revised: 04/08/2020] [Indexed: 12/14/2022]
Abstract
Direct mechanocatalysis describes catalytic reactions under the involvement of mechanical energy with the distinct feature of milling equipment itself being the catalyst. This novel type of catalysis features no solubility challenges of the catalysts nor the substrate and on top offering most facile way of separation.
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Affiliation(s)
- Wilm Pickhardt
- Inorganic Chemistry IRuhr-University BochumUniversitätsstraße 15044801BochumGermany
| | - Sven Grätz
- Inorganic Chemistry IRuhr-University BochumUniversitätsstraße 15044801BochumGermany
| | - Lars Borchardt
- Inorganic Chemistry IRuhr-University BochumUniversitätsstraße 15044801BochumGermany
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21
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Schiffmann JG, Emmerling F, Martins ICB, Van Wüllen L. In-situ reaction monitoring of a mechanochemical ball mill reaction with solid state NMR. SOLID STATE NUCLEAR MAGNETIC RESONANCE 2020; 109:101687. [PMID: 32905877 DOI: 10.1016/j.ssnmr.2020.101687] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 08/12/2020] [Accepted: 08/12/2020] [Indexed: 06/11/2023]
Abstract
We present an approach towards the in situ solid state NMR monitoring of mechanochemical reactions in a ball mill. A miniaturized vibration ball mill is integrated into the measuring coil of a home-built solid state NMR probe, allowing for static solid state NMR measurements during the mechanochemical reaction within the vessel. The setup allows to quantitatively follow the product evolution of a prototypical mechanochemical reaction, the formation of zinc phenylphosphonate from zinc acetate and phenylphosphonic acid. MAS NMR investigations on the final reaction mixture confirmed a reaction yield of 89% in a typical example. Thus, NMR spectroscopy may in the future provide complementary information about reaction mechanisms of mechanochemical reactions and team up with other analytical methods which have been employed to follow reactions in situ, such as Raman spectroscopy or X-ray diffraction.
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Affiliation(s)
- Jan Gerrit Schiffmann
- Universität Augsburg, Institut für Physik, Universitätsstraße 1, 86159, Augsburg, Germany
| | - Franziska Emmerling
- BAM Federal Institute of Materials Research and Testing, Richard-Willstätter-Straße 11, 12489, Berlin, Germany
| | - Inês C B Martins
- BAM Federal Institute of Materials Research and Testing, Richard-Willstätter-Straße 11, 12489, Berlin, Germany
| | - Leo Van Wüllen
- Universität Augsburg, Institut für Physik, Universitätsstraße 1, 86159, Augsburg, Germany.
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22
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Frankhouser AD, Kanan MW. Phase Behavior That Enables Solvent-Free Carbonate-Promoted Furoate Carboxylation. J Phys Chem Lett 2020; 11:7544-7551. [PMID: 32812764 DOI: 10.1021/acs.jpclett.0c02210] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Solvent-free chemistry has been used to streamline synthesis, reduce waste, and access novel reactivity, but the physical nature of the reaction medium in the absence of solvent is often poorly understood. Here we reveal the phase behavior that enables the solvent-free carboxylation reaction in which carbonate, furan-2-carboxylate (furoate), and CO2 react to form furan-2,5-dicarboxylate (FDCA2-). This transformation has no solution-phase analogue and can be applied to convert lignocellulose into performance-advantaged plastics. Using operando powder X-ray diffraction and thermal analysis to elucidate the temperature- and conversion-dependent phase composition, we find that the reaction medium is a heterogeneous mixture of a ternary eutectic molten phase, solid Cs2CO3, and solid Cs2FDCA. During the reaction, the amounts of molten phase and solid Cs2CO3 diminish as solid Cs2FDCA accumulates. These insights are critical for increasing the scale of furoate carboxylation and provide a framework for guiding the development of other solvent-free transformations.
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Affiliation(s)
- Amy D Frankhouser
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
| | - Matthew W Kanan
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
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23
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Dayaker G, Tan D, Biggins N, Shelam A, Do JL, Katsenis AD, Friščić T. Catalytic Room-Temperature C-N Coupling of Amides and Isocyanates by Using Mechanochemistry. CHEMSUSCHEM 2020; 13:2966-2972. [PMID: 32222112 DOI: 10.1002/cssc.201902576] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 03/13/2020] [Indexed: 06/10/2023]
Abstract
A mechanochemical route is developed for room-temperature and solvent-free derivatization of different types of amides into carbamoyl isatins (up to 96 % conversion or yield), benzamides (up to 81 % yield), and imides (up to 92 % yield). In solution, this copper-catalyzed coupling either does not take place or requires high temperatures at which it may also be competing with alternative thermal reactivity, highlighting the beneficial role of mechanochemistry for this reaction. Such behavior resembles the previously investigated coupling with sulfonamide substrates, suggesting that this type of C-N coupling is an example of a mechanochemically favored reaction, for which mechanochemistry appears to be a favored environment over solution.
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Affiliation(s)
- Gandrath Dayaker
- Department of Chemistry, McGill University, FRQNT Centre for Green Chemistry and Catalysis (CCVC/CGCC), 801 Sherbrooke St. W., H31 0B8, Montreal, Canada
| | - Davin Tan
- Department of Chemistry, McGill University, FRQNT Centre for Green Chemistry and Catalysis (CCVC/CGCC), 801 Sherbrooke St. W., H31 0B8, Montreal, Canada
| | - Naomi Biggins
- Department of Chemistry, McGill University, FRQNT Centre for Green Chemistry and Catalysis (CCVC/CGCC), 801 Sherbrooke St. W., H31 0B8, Montreal, Canada
| | - Asha Shelam
- Department of Chemistry, McGill University, FRQNT Centre for Green Chemistry and Catalysis (CCVC/CGCC), 801 Sherbrooke St. W., H31 0B8, Montreal, Canada
| | - Jean-Louis Do
- Department of Chemistry, McGill University, FRQNT Centre for Green Chemistry and Catalysis (CCVC/CGCC), 801 Sherbrooke St. W., H31 0B8, Montreal, Canada
| | - Athanassios D Katsenis
- Department of Chemistry, McGill University, FRQNT Centre for Green Chemistry and Catalysis (CCVC/CGCC), 801 Sherbrooke St. W., H31 0B8, Montreal, Canada
| | - Tomislav Friščić
- Department of Chemistry, McGill University, FRQNT Centre for Green Chemistry and Catalysis (CCVC/CGCC), 801 Sherbrooke St. W., H31 0B8, Montreal, Canada
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