(untitled) - Lucchetti, N; Scalone, M; Fantasia, S; Muñiz, K (Adv. Synth. Catal., 2016)
The TON of a catalyst, 1,2-diiodobenzene, at the 4 mol% loading reached 18 times for the reaction between the same substrates (toluene 2a, 15 equiv) in HFIP/DCE (1:1), see: