The first examples of heterogeneous Fe-catalysed cyclopropanation reactions are presented. Pyrolysis of in situ-generated iron/phenanthroline complexes in the presence of a carbonaceous material leads to specific supported nanosized iron particles, which are effective catalysts for carbene transfer reactions. Using olefins as substrates, cyclopropanes are obtained in high yields and moderate diastereoselectivities. The developed protocol is scalable and the activity of the recycled catalyst after deactivation can be effectively restored using an oxidative reactivation protocol under mild conditions.
Iron/N-doped graphene nano-structured catalysts for general cyclopropanation of olefins / A. Sarkar, D. Formenti, F. Ferretti, C. Kreyenschulte, S. Bartling, K. Junge, M. Beller, F. Ragaini. - In: CHEMICAL SCIENCE. - ISSN 2041-6520. - 11:24(2020), pp. 6217-6221.
Titolo: | Iron/N-doped graphene nano-structured catalysts for general cyclopropanation of olefins |
Autori: | SARKAR, ABHIJNAN (Primo) FORMENTI, DARIO (Secondo) RAGAINI, FABIO ATTILIO CIRILLO (Corresponding) |
Parole Chiave: | heterogeneous catalysis; iron; cyclopropanation; carbene transfer; cyclopropane |
Settore Scientifico Disciplinare: | Settore CHIM/03 - Chimica Generale e Inorganica Settore CHIM/06 - Chimica Organica |
Progetto: | Towards a Sustainable Chemistry: Design of Innovative Metal-Ligand Systems for Catalysis and Energy Applications. |
Data di pubblicazione: | 2020 |
Rivista: | |
Tipologia: | Article (author) |
Data ahead of print / Data di stampa: | 8-giu-2020 |
Digital Object Identifier (DOI): | http://dx.doi.org/10.1039/D0SC01650K |
Appare nelle tipologie: | 01 - Articolo su periodico |
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d0sc01650k.pdf | Articolo principale | Publisher's version/PDF | Open Access Visualizza/Apri | |
d0sc01650k1.pdf | Supporting information | Altro | Open Access Visualizza/Apri |