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SELECTIVITY AND CHARGE TRANSFER IN PHOTOREACTIONS OF ARENES WITH OLEFINS 1. SUBSTITUTION VERSUS CYCLOADDITION
Mattay, Jochen
, p. 2393 - 2404 (1985)
In photoreactions of arenes with olefins the mode of reaction strongly depends on the charge transfer between the starting materials.Substitution is preferred if the electron transfer becomes exergonic, i.e. if ΔG 0 according to the Rehm-Weller equation.In some special systems substitution is avoided by electron transfer-triplet formation.Various photoreactions which already have been described in the literature are discussed in view of this ΔG-correlation besides own experimental results.
