The synthesis of methylated calix(aza)crowns and their complexing properties towards Co2+, Ni2+ and Cu2+ are described. The crystal structure of one of those ligands, hydrogen bonded to a picric acid molecule via a water molecule, is given. © 2000 Elsevier Science Ltd.
Oueslati, I., Abidi, R., Thuéry, P., Nierlich, M., Asfari, Z., Harrowfield, J., & Vicens, J. (2000). Synthesis and complexing properties of methylated calix(aza)crown derivatives. Tetrahedron Letters, 41(43), 8263–8267. https://doi.org/10.1016/S0040-4039(00)01438-6