Formation of 1,2- and 1,4-cyclo-adducts from tetrafluorobenzyne and NN-dimethylaniline and a Stevens rearrangement with aryl migration
Abstract
Tetrafluorobenzyne reacts with NN-dimethylaniline to give 1,2- and 1,4-cyclo-adducts and solvent dependent products derived from an intermediate betaine.