Iron/N-doped graphene nano-structured catalysts for general cyclopropanation of olefins

Abhijnan Sarkar, Dario Formenti, Francesco Ferretti, Carsten Kreyenschulte, Stephan Bartling, Kathrin Junge, Matthias Beller, Fabio Ragaini

Research output: Contribution to journalArticlepeer-review

12 Scopus citations


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.

Original languageEnglish
Pages (from-to)6217-6221
Number of pages5
JournalChemical Science
Issue number24
StatePublished - 28 Jun 2020
Externally publishedYes


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