Ligand-Free MgCO 3 Nanoclusters Catalyze Nucleophilic Alcohol Addition Reactions
Source abstract
Abstract
High Resolution Image Download MS PowerPoint Slide Subnano and nanometric metal clusters are ultrasmall aggregates in which most atoms are exposed on the surface, directly interacting with reactants and enabling highly efficient catalysis. However, metal carbonate clusters have been barely prepared and used in catalysis. Here, we report the synthesis of ultrasmall, ligand-free MgCO 3 clusters formed via CO 2 capture with MgCl 2, with an average composition of [MgCO 3 ] 5 ·3H 2 O. These clusters exhibit catalytic activity in various nucleophilic alcohol addition reactions, showing a 5-fold enhancement compared to bulk MgCO 3 and CaCO 3 –triethylamine clusters. These results pave the way for synthesis of ultrasmall alkaline metal carbonate clusters beyond Ca, which can be employed as efficient catalysts in organic synthesis.
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Research context
OpenAlex topics: Carbon dioxide utilization in catalysis · Nanocluster Synthesis and Applications · Organometallic Complex Synthesis and Catalysis
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Affiliations
Instituto de Tecnología Química, Universitat Politècnica de València-Agencia Estatal Consejo Superior de Investigaciones Científicas, Avda. de los Naranjos s/n, 46022 Valencia, Spain
Department of Organic Technology, University of Chemistry and Technology Prague, Technická 5, 16628 Prague 6, Czech Republic
Centro Universitario de la Defensa, Academia General del Aire, Universidad Politécnica de Cartagena, C/Coronel López Peña S/N, Santiago de La Ribera, 30720 Murcia, Spain
Funding
Erasmus+ · Agencia Estatal de Investigaci?n · Vysok? ?kola Chemicko-technologick? v Praze
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