Electron-donating behaviour of aliphatic carboxylic acids in the photoreaction with 1,2,4,5-tetracyanobenzene
Abstract
Irradiation of an acetonitrile solution of 1,2,4,5-tetracyanobenzene with aliphatic carboxylic acids gives 2,4,5-tricyanoalkylbenzenes efficiently; electron transfer from the carboxylic acids to the excited tetracyanobenzene is essential.