Alessandro Dondoni, Chiara Ghiglione, Alberto Marra and Marco Scoponi
The synthesis of 1,3-dimethyl calix[4]arene–bisphenol-A copolyethers and copolyesters with variable amounts of the macrocycle in the chain is described; the receptor ability of the copolyethers 4 toward silver(I) ions was one hundred-fold that of calix[4]arene tetrapropyl ether 3.