The activity of Fe2O3/NGr@C has been studied by using ethyl diazoacetate and α-methylstyrene as substrates. Various parameters such as solvents, temperature and time were changed. Fe2O3/NGr@C-catalysts showed best activity in dimethoxyethane at 60 oC, affording high yields of the desired cyclopropanes (mixture of cis and trans isomers) and only 1-2 % of ethyl maleate and fumarate.
Nitrogen-Enriched Graphene Iron Oxide Nanoparticles as Innovative Catalysts: First Application to Cyclopropanation Reactions / A. Sarkar, D. Formenti, F.M. Ferretti, C. Kreyenschulte, S. Bartling, H. Lund, K. Junge, M. Beller, F.A.C. Ragaini. ((Intervento presentato al 23. convegno Euchem Conference on Organometallic Chemsitry (EuCOMC 2019) tenutosi a Helsinki nel 2019.
Nitrogen-Enriched Graphene Iron Oxide Nanoparticles as Innovative Catalysts: First Application to Cyclopropanation Reactions
A. Sarkar;D. Formenti;F.M. Ferretti;F.A.C. Ragaini
2019
Abstract
The activity of Fe2O3/NGr@C has been studied by using ethyl diazoacetate and α-methylstyrene as substrates. Various parameters such as solvents, temperature and time were changed. Fe2O3/NGr@C-catalysts showed best activity in dimethoxyethane at 60 oC, affording high yields of the desired cyclopropanes (mixture of cis and trans isomers) and only 1-2 % of ethyl maleate and fumarate.
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