ABSTRACT

1.1 General Introduction

The word "dendrimer" comes from the Greek words, δένδρον or dendros, which translates to "tree-like" for their shape and meros meaning "part of" for the reminiscence of their chemical structure made by additional monomers.1 In 1978, Egon Buhleier, Winfried Wehner, and Fritz Vögtle were the first to publish a paper on a new type of polymer, the polypropylene-imine (PPI), that was "capable of binding ionic guests or molecules in a Host-Guest interaction, and obtained through a synthetic pathways allowing a frequent repetition of similar steps. These new "cascade molecules," made by a repetitive monomer addition and an activation of the obtained branched molecules, gave birth to a new class of step-by-step synthesized molecules: the dendrimers.2