Calixarene derivatives, preparation method and use of said derivatives to extract antinides and lathanides

摘要

The invention relates to new calixarenes according to the formula: ;wherein R¹ and R², which may be identical or different, are alkyl, alkoxy or aryl groups, and n is an integer equal to 2, 3 or 4.;Said calixarenes may be used to extract actinides and lanthanides from aqueous solutions.