Fig. 9: Mechanistic studies and proposed mechanism. | Nature Communications

Fig. 9: Mechanistic studies and proposed mechanism.

From: “On-water” photosensitization enables redox neutral acylation and alkylation of quinones

Fig. 9

A reaction outcome in presence of triplet-energy quencher; B elucidating the photocatalytic role of Eosin Y; C trapping the radical intermediate(s) involved in the reaction; D kinetic study to check the rate-determining step (RDS); E plausible mechanism for Photo-Friedel-Crafts alkylation and acylation; ET: triplet energy, EnT: energy transfer, EI-HRMS: electron ionization high-resolution mass spectrometry, NMR: nuclear magnetic resonance, TEMPO: 2,2,6,6-Tetramethylpiperidin-1-yl)oxyl free radical, KIE: kinetic isotope effect, HAT: hydrogen atom transfer.

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