Skip to main content
. Author manuscript; available in PMC: 2024 Nov 1.
Published in final edited form as: Nat Chem. 2023 Sep 7;15(11):1569–1580. doi: 10.1038/s41557-023-01317-8

Fig. 5 |. Experimental studies on the catalytic mechanism of olefin cyclopropanation by the Fe(III)-based metalloradical system.

Fig. 5 |

a, Trapping of the α-Fe(IV)-alkyl radical intermediate by spin traps PBN and DMPO for EPR detection. b, Trapping of α-Fe(IV)-benzyl radicals from metalloradical activation of aryldiazomethanes by Ph3SiH and by TEMPO. c, Probing of the γ-Fe(IV)-alkyl radical intermediate by cyclopropanation reactions of (E)- and (Z)-β-deutero-p-methoxystyrene. d, Dependence of the cyclopropanation reaction rate on concentrations of substrates and catalyst through kinetic studies.