Dinuclear ruthenium complexes containing a new ditopic phthalazin- bis(triazole) ligand that promotes metal-metal interactions

Joan Aguiló, Atena Naeimi, Roger Bofill, Helge Mueller-Bunz, Antoni Llobet, Lluís Escriche, Xavier Sala, Martin Albrecht

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19 Citations (Scopus)

Abstract

Much attention has been paid to heterocyclic N-containing ligands due to their applicability as bridging ligands in the synthesis of redox active dinuclear metal complexes. With this aim, we report the synthesis and full characterization of a novel phthalazine-triazole ligand (1,4-bis(1-methyl-1H-1, 2,3-triazol-4-yl)phthalazine). Moreover, we show that the phthalazine nitrogen atoms of this N-heterocyclic ligand are more reactive towards alkylating agents than the triazole groups. New ruthenium(ii) complexes containing this ligand have been obtained and characterized both structurally and electrochemically. The geometry imposed by the ligand allows the placement of two ruthenium centers in very close proximity so that efficient through-space interactions take place, a concept of crucial importance for electron transfer processes. © 2014 The Partner Organisations.
Original languageEnglish
Pages (from-to)1980-1987
JournalNew Journal of Chemistry
Volume38
Issue number5
DOIs
Publication statusPublished - 1 Jan 2014

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