Intramolecular Charge Transfer in Ruthenium Complexes [Ru(acac) 2 (ciq)] with Ambidentate Camphoriminoquinone (ciq) Ligands | Zendy

Filippou Vasileios | Zendy; Blickle Svenja | Zendy; Bubrin Martina | Zendy; Kaim Wolfgang | Zendy

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Intramolecular Charge Transfer in Ruthenium Complexes [Ru(acac) 2 (ciq)] with Ambidentate Camphoriminoquinone (ciq) Ligands

Author(s) -

Filippou Vasileios,

Blickle Svenja,

Bubrin Martina,

Kaim Wolfgang

Publication year - 2021

Publication title -

zeitschrift für anorganische und allgemeine chemie

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.354

H-Index - 66

eISSN - 1521-3749

pISSN - 0044-2313

DOI - 10.1002/zaac.202000464

Subject(s) - ruthenium , intramolecular force , chemistry , ion , electron paramagnetic resonance , photochemistry , oxidation state , electron transfer , medicinal chemistry , stereochemistry , catalysis , organic chemistry , nuclear magnetic resonance , physics

Reaction of [Ru(acac) 2 (MeCN) 2 ], acac − =acetylacetonate, with N ‐phenylcamphoriminoquinone (pciq) or the new N ‐(2‐thiomethylphenyl)‐camphoriminoquinone (tciq) produces complexes [Ru(acac) 2 (pciq)] and [Ru(acac) 2 (tciq)] with N,O or N,S coordination and E or Z configuration at the C=N bond, respectively. Oxidation state assignments in comparison with classical iminoquinone ligands are based on structural data in connection with DFT calculations. Reversible oxidation yields complex ions [Ru III (acac) 2 (pciq)] + and [Ru III (acac) 2 (tciq)] + as characterized by EPR, IR and UV‐vis‐NIR spectroelectrochemistry.

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