期刊
INORGANICA CHIMICA ACTA
卷 528, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ica.2021.120604
关键词
Redox-active ligands; Dioxolene ligands; Catecholate complexes; Spiroendoperoxide; Oxidative addition
资金
- Russian Science Foundation [19-73-00264, RF-2296.61321X0017, 075-15-2021-670]
- Russian Science Foundation [19-73-00264] Funding Source: Russian Science Foundation
Novel catecholate complexes (ditCat)SbPh3 (1), (ditCat)Ni(2,2 '-bpy) (2) and (3,6-tBu-ditCat)VCp2 (3) were synthesized by reactions of bifunctional o-quinone with dithiete ring annulated compounds. Complexes 1 and 2 structures were confirmed by X-ray analysis, while complex 3 showed typical d1-complexes of vanadium (IV) in its X-band EPR spectrum. Complex 1 can reversibly bind dioxygen to form a spiroendoperoxide in toluene.
Novel catecholate complexes (ditCat)SbPh3 (1), (ditCat)Ni(2,2 '-bpy) (2) and (3,6-tBu-ditCat)VCp2 (3), containing annulated dithiete cycle, were synthesized by reactions of bifunctional o-quinone, annulated with dithiete ring (ditQ) with SbPh3, (2,2 '-bpy)Ni(CO)2 and VCp2, respectively. The structures of complexes 1 and 2 were confirmed by X-ray analysis. X-band EPR spectrum of complex 3 in THF has typical of d1-complexes of vanadium (IV) 8-lined pattern. Complex 1 in toluene reversibly binds molecular dioxygen with formation of spiroendoperoxide (3,6-tBu-ditCat)SbPh3.O2.C7H8 (4).
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