Fig. 2: Functionalization of aryl halides via energy transfer or direct excitation mechanism. | Nature Synthesis

Fig. 2: Functionalization of aryl halides via energy transfer or direct excitation mechanism.

From: Copper-mediated etherification via aryl radicals generated from triplet states

Fig. 2

a, The catalytic cycle for the functionalization reaction of aryl halides via energy transfer. b, The activation process of aryl halides via energy transfer or direct excitation. c, Etherification reaction of 4-iodobiphenyl via energy transfer. d, Etherification reaction of halogenated anisole via direct excitation. PS, photosensitizer; Nu, nucleophile; CuTC, copper(I) thiophene-2-carboxylate; DBU, 1,8-diazabicyclo[5.4.0]undec-7-ene.

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