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- Title
Well‐Defined Binuclear Co(II) Complexes: Synthesis, Structure, Characterizations and Catalytic Applications in Cyanosilylation of Various Aldehydes under Solvent‐Free Conditions.
- Authors
Filkale, Adelew Estifanos; Gangwar, Manoj Kumar; Butcher, Ray
- Abstract
Two well‐defined novel binuclear cobalt (II) [Co(H2L1)]2 and [Co(H2L2)]2 compounds are presented. Binuclear cobalt (II) complexes (1–2) containing 1,1′‐binaphthyl derived tetradentate (N2O2) donor ligands H2L1 and H2L2, namely 3,3‐bis[((2,6‐diisopropylphenyl)imino)methyl]‐[1,1′‐binaphthalene‐2,2′‐dioxodicobalt(II) and 3,3′‐bis‐[((2,6‐diethyl‐phenyl)imino)‐ethyl]‐[1,1′]‐binaphtyl‐2,2′‐dioxocobalt(II) complexes were synthesized and isolated for the first time. Various spectroscopic techniques, including UV‐visible spectra, magnetic susceptibility, cyclic voltammetry, elemental analysis, mass spectrometry, and single‐crystal X‐ray diffraction were used to structurally characterize these binuclear cobalt(II) complexes. The binuclear cobalt (II) [Co(H2L1)]2 and [Co(H2L2)]2 complexes (1–2) demonstrated excellent catalytic activity in the cyanosilylation reaction of various aryl aldehydes to value‐added cyanohydrins at room temperature under solvent‐free conditions.
- Subjects
ALDEHYDES; COBALT compounds; MAGNETIC susceptibility; CYCLIC voltammetry; MASS spectrometry; CYANOHYDRINS; ATOMS
- Publication
Asian Journal of Organic Chemistry, 2023, Vol 12, Issue 6, p1
- ISSN
2193-5807
- Publication type
Article
- DOI
10.1002/ajoc.202300085