Ferrioxalate photocatalysis: A multitasking platform for reductive iron catalysis

Bernabeu, Carlos; Adalid, Sergio; Colombo, Sara; Cironis, Nojus; Sen, Partha Pratim; Okuno, Ken; Juliá, Fabio

doi:10.1126/science.aeb1702

articleScienceJan 1, 2026HYBRID OA

Ferrioxalate photocatalysis: A multitasking platform for reductive iron catalysis

CBCarlos Bernabeu SASergio Adalid SCSara Colombo NCNojus Cironis PPPartha Pratim Sen

Universidad de Murcia

PubMed

Indexed incrossrefpubmed

Abstract

Iron's abundance motivates its use in sustainable catalyst systems that also offer complementary reactivity manifolds compared to precious metals. However, the challenging reduction of benchmark iron salts to active species hinders their application in reductive transformations. In this work, we report a photochemical strategy that exploits the innate reactivity of ligand-to-metal charge transfer (LMCT) excited states of iron oxalate complexes to harness oxalate salts as latent terminal two-electron reductants in iron catalysis. The investigation of this activation mode has led to the development of a versatile catalytic platform enabling transformations hitherto inaccessible to previous iron catalyst systems.…

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Topics & keywords

Topics

Keywords

Catalysis
Reactivity (psychology)
Oxalate
Human multitasking
Redox
Reductive elimination

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