A case study has been effectively carried out to identify a suitable substrate among halides and pseudohalides for the palladium-catalyzed cyanation reactions undermildconditions. Among the various substrates considered for evaluation, aryl pentafluorobenzenesulfonates and nonaflates were identified to be the best substrates when compared to corresponding halides and pseudohalides. The substoichiometric
The photolysis of electron-rich aryl nonaflates (ArONfs) in protic media was investigated and heterolysis of the ArâOS bond (from 3ArONf) took place. The reaction generated a triplet phenyl cation that added to Ï-bond nucleophiles. This metal-free arylation method was made further useful by adopting in situ preparation of ArONf from the corresponding phenol.