4-ferrocenyl-bipyridine ligands (2a-d) and their respective [Re(L)(CO)3Br] (L = 2a-d) complexes were synthesised and investigated for CO2 photoreduction. The single-crystal analysis revealed the formation of a by-product, 2d′, and its synthesis via self-aldol condensation explains the low yield observed for the ligands. The Re(I) complexes showed CO2 photoreduction with >90% selectivity for CO.
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S. Saha, D. G. Gil-Gavilán, M. J. Gutmann, D. Manna, S. Roy and R. Mitra, Dalton Trans., 2026, Accepted Manuscript , DOI: 10.1039/D6DT00728G
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