Metal complexes of redox non-innocent ligand have become significantly demanding with special reference to their diverse electronic structural features1 as well as their potential application in cooperative catalysis.2 A recent addition to the set of redox active ligands, 1,2 dinitrosobenzene (tautomeric form of the biologically active benzofuroxan3) has been introduced with selective metal fragment {Ru(bpy)2} or {Ru([9]aneS3)} (bpy=2,2/-bipyridine, [9]aneS3=1,4,7-trithiacyclononane).4 The present deliberation involves in situ generated 1,2-Dinitrosobenzene and 2-Nitrosoanilido derived [1]ClO4 and [2]ClO4, respectively. Besides structural and spectroscopic characterization of isolated complexes, electronic structural aspects in accessible reversible redox states of 1n and 2n (n = 2+, +, 0) have been assessed via experimental (UV-VIS-NIR, EPR) techniques in combination with DFT/TD-DFT calculations.

Diverse electronic structure of ruthenium coordinated in situ generated redox active 1,2-dinitrosobenzene and 2-nitrosoanilido

253rd National Meeting (2017)

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