CRYPTANDS BASED ON CALIX 4 ARENES ASSOCIATED WITH A NITROGEN MACROCYCLE AND THEIR USE FOR THE SELECTIVE EXTRACTION OF STRATEGIC METALS

摘要

The present invention relates to compounds of formula (I) below: as well as their methods of preparation and their use for extracting one or more metals present in a liquid by liquid-liquid extraction or by solid-liquid extraction when said compounds are grafted covalent to a solid material.