Extended Data Fig. 1: Proposed mechanism for iron porphyrin carbene formation through metallaphotoredox catalysis.
From: Unlocking carbene reactivity by metallaphotoredox α-elimination
![Extended Data Fig. 1](https://cdn.statically.io/img/media.springernature.com/full/springer-static/esm/art%3A10.1038%2Fs41586-024-07628-1/MediaObjects/41586_2024_7628_Fig5_ESM.jpg)
Metallaphotoredox-mediated formation of iron porphyrin carbene intermediates exploiting a single-electron reduction mediated α-elimination. Me, methyl; Et, ethyl, Ac, acetyl; Phth, phthalimide; HEH•+, oxidized Hantzsch ester; Ir, Ir(dFCF3ppy)2dttbpy; Fe, iron porphyrin. For further commentary and discussion see Supplementary Fig. 1.