The iodination of norbornene and norbornadiene with phosphorus triiodi
de in the presence and in the absence of weak electrophiles (arylsulfe
namides or N-chloramines) and with elemental iodine was studied. Depen
ding on the reaction conditions, the reactions resulted in mono- or di
iodides of the norbornene and norbornadiene series. All the compounds
obtained were characterized by H-1 and C-13 NMR spectra.