Polystyrene Wang NPC

Amines can be attached to the p-nitrophenyl carbonate resin to form the corresponding resin bound carbamates. As an example the following compounds were synthesized by modifications on the resin bound carbamates: unsymetrical diamines, allylamines, guanidines, hydantoins, piperazines, triazolidienones, quinazoline diones ect.