Synthesis of an exo-ditopic receptor based on calix[4]arene and catechol

Article abstract of DOI:10.1016/0040-4039(96)00867-2

The synthesis of a calix[4]arene derivative immobilised in 1,3- alternate conformation by alkylation at the lower rim and bearing four catechoylamide units at the upper rim was achieved. The chelating coordination sites were by construction oriented, in a