Design of base metal extractants. Part 1. Inter-ligand hydrogen bonding in the assembly of pseudo-macrocyclic bis(aminosulfonamidato)M(ii) complexes

Article abstract of DOI:10.1039/b515650p

Monosulfonyl derivatives of simple 1,2- and 1,3-diamines (R ²HN-R-NHSO₂R¹ = L) have been shown to be easily deprotonated to give neutral 2: 1 complexes, [M(L - H)₂], with Co(ii), Ni(ii), Cu(ii) or Zn(ii). The Ni