Kinetically locked, trinuclear RuIImetallo-macrocycles—synthesis, electrochemical, and optical properties

Citations Over TimeTop 17% of 2006 papers

Abstract

Using a [RuII([9]aneS3)] templating moiety, kinetically-locked, metallomacrocycles incorporating adenine based ligands have been synthesised through self-assembly. The kinetically robust nature of these structures is confirmed by electrochemical studies: each can be reversibly oxidised in a four-member redox series, containing two formally mixed valence states. Unusually, the electrochemically derived comproportionation constants for these mixed valence states are very different, suggesting that intermetallic coupling differs between the two states. Spectroelectochemistry studies confirm that while the [RuII2RuIII] state is valence localised, the [RuIIRuIII2] state is electronically delocalised. Mechanisms by which this switching effect could occur, which involve the unusual connectivities in these mixed valence species, are presented.

Related Papers

• → A General Synthesis of Thiophosphates Containing an α,β-Unsaturated Carbonyl Moiety(1999)5 cited
• → ChemInform Abstract: CYCLIZATION OF GUANIDINES WITH α,β‐UNSATURATED KETONES: IMPROVED SYNTHESIS OF 2‐AMINODIHYDROPYRIMIDINE DERIVATIVES CONTAINING A GUANIDINE MOIETY(1981)1 cited
• → A Convenient Route to Pyridones, Pyrazolo[2,3‐a]pyrimidines and Pyrazolo[5,1‐c]triazines Incorporating Antipyrine Moiety.(2005)
• → ChemInform Abstract: The Cyanamido Moiety as a Novel Leaving Group.(1989)
• → ChemInform Abstract: Photolabile “Caged” Fatty Acids Containing a 1‐(2′‐Nitrophenyl)‐1,2‐ ethanediol Moiety.(1997)