Bromonium ion
= Bromonium ion
A <bromonium ion> bridges both carbons of an <alkene>-derived three-membered ring. Bromide opening from the opposite face gives an anti vicinal dibromide and avoids a freely rotating open carbocation.
= Bromonium ion
A <bromonium ion> bridges both carbons of an <alkene>-derived three-membered ring. Bromide opening from the opposite face gives an anti vicinal dibromide and avoids a freely rotating open carbocation.