CoII and CuII Fluorescent Complexes with Acridine‐Based Ligands

Research paper by Samira Gholizadeh Dogaheh, María José Heras Ojea, Lidia Rosado Piquer, Lluís Artús Suàrez, Hamid Khanmohammadi, Guillem Aromí, E. Carolina Sañudo

Indexed on: 31 May '16Published on: 30 May '16Published in: European Journal of Inorganic Chemistry


The condensation reaction of salicylaldehyde or 2‐hydroxynaphthaldehyde with a diamino organic group (Acridine Yellow or diaminoacridine) resulted in the Schiff‐base ligands ACRI‐1, ACRI‐2 and ACRI‐3, with the last two hitherto unknown. Fluorescent ACRI‐1, ACRI‐2 and ACRI‐3 were designed to provide iminophenolic binding pockets for two transition metals and ferromagnetic exchange between the metals. Following our report on the complex [Co2(ACRI‐1)2] (1Co), we report herein the reactions of ACRI‐1, ACRI‐2 and ACRI‐3 with CoII and CuII salts, which afforded the new fluorescent complexes [Cu2(ACRI‐1)2] (1Cu), [Co2(ACRI‐2)2] (2Co), [Cu2(ACRI‐2)2] (2Cu), [Co2(ACRI‐3)2(H2O)4] (3Co) and [Cu2(ACRI‐3)2] (3Cu).