Novel Pseudorotaxane-Terminated Dendrimers: Supramolecular Modification of Dendrimer Periphery

Thirty-two molecular beads are threaded onto the terminal groups of a fourth-generation dendrimer (see picture). These pseudorotaxane-terminated dendrimers not only constitute a new class of topologically intriguing molecules but also provide a novel way of modifying dendrimer exteriors by noncovalent interactions.