molecular type packages cucurbit [n] uril and processing procedures and use thereof

A compound having the following structure: ** ** Formula wherein each R is independently hydrogen, a C1 to C20-carbocyclic group, C3 to C20 heterocyclic group C1 to C20, a carboxylic acid group, an ester group, an amide group, hydroxyl or an ether group; wherein, optionally, adjacent R groups form a carbocyclic or heterocyclic ring C3 to C20; ** ** Formula where each is independently a carbocyclic ring system C5 to C20 or heterocyclic ring system C2 to C20, where the ring system comprises one or more rings; wherein at least one of the ring systems having at least one solubilising group selected from a sulfonic acid group, a sulfonate salt group, a phosphonic acid group, a phosphonate salt group and a polyethylene glycol group; wherein, optionally, the ring system has a guiding group; and wherein n is 1 to 5.