Fig. 1: Our inspiration from nature and previous work.

a 14α-Demethylase (CYP51)-catalyzed demethylation of lanosterol and possible reaction mechanism. The CYP51 belongs to the family of cytochrome P450 enzymes. The demethylation proceeds through two sequential monooxygenation reactions and subsequently a dehydroformylation. b Ring-opening and functionalization of cycloalkanols enabled by photoredox catalysis. c Possible mechanism for stearoyl Δ9 desaturation. d Recent notable work on dehydrogenation via photoredox cobaloxime dual catalysis. e Desaturation of alcohols and aliphatic C–H bond via PCET/cobaloxime dual catalysis.