phosphorus containing dendrimere, procedures for their production and their use for the extraction of actinides and lanthanides

摘要

Phosphorus-containing dendrimers (I) comprising: (a) a core; and (b) a generation plus an external layer of the same or different phosphonoacetyl groups, are new. New phosphorus-containing dendrimers (I) comprise (a) a core and (b) at least one generation plus an external layer of same or different groups of formula -C(O)-CH 2-P(O)R 1R 2(I'). R 1, R 2alkyl, alkoxy or aryl. An independent claim is included for the preparation of (I).