Selectivity of Coordination Sites in Ni(II), Zn(II), and Cd(II) Complexes with 7-8-hydroxyquinoline-5-sulfonic Acid

Article abstract of DOI:10.1246/bcsj.63.1985

A new multidentate ligand, 7-<(3,5-dichloro(or bromo)-2-pyridyl)azo>-8-hydroxyquinoline-5-sulfonic acid (sodium salt, abbr. as 3,5-di-X-PAHQS, X=Cl or Br) which contains pyridylazonaphthol (PAN) and 8-quinolinol skeletons, was prepared for the first time