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. Author manuscript; available in PMC: 2022 Mar 16.
Published in final edited form as: Science. 2021 Nov 11;374(6572):1258–1263. doi: 10.1126/science.abl4322

Fig. 2. Reaction design and development.

Fig. 2.

(A) Proposed mechanism for the metallaphotoredox sp3–sp3 cross-coupling using iron porphyrin. (B) Representative reaction scheme. t-Bu, tert-butyl group; Me, methyl group; Et, ethyl group.