Dichloro-Bis(1-Alkyl/Styryl-Benzimidazole)-Cobalt(II) Pre-Catalyst for Ethylene Dimerization

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dc.contributor.authorHkiri, Shaima
dc.contributor.authorSahin, Neslihan
dc.contributor.authorSabourin, Romain
dc.contributor.authorBrandt, Remi
dc.contributor.authorOzdemir, Ismail
dc.contributor.authorSemeril, David
dc.date.accessioned2026-04-04T13:30:59Z
dc.date.available2026-04-04T13:30:59Z
dc.date.issued2025
dc.departmentİnönü Üniversitesi
dc.description.abstractA series of five cobalt(II) complexes, dichloro-bis(1-benzyl-benzimidazole)-cobalt(II) (1a), dichloro-bis[1-(4-fluorobenzyl)-benzimidazole]-cobalt(II) (1b), dichloro-bis((Z)-1-styryl-benzimidazole)-cobalt(II) (1c), dichloro-bis[(Z)-1-(2-fluorostyryl)-benzimidazole]-cobalt(II) (1d) and dichloro-bis(1-cinnamyl-benzimidazole)-cobalt(II) (1e), were evaluated in ethylene dimerization. Four of these complexes were described for the first time and fully characterized by IR, elemental analysis, mass and NMR spectroscopy. In the solid state, the cobalt atom exhibited a typical tetrahedral geometry and was found to be coordinated to two chlorine atoms and two benzimidazole rings. In the presence of 20 bar of ethylene and diethylaluminium chloride as a co-catalyst, the complex with styryl substituents on the benzimidazole rings, complex 1c, exhibited the highest activity with a turnover frequency of 3430 mol(ethylene)mol(Co)-1h-1.
dc.identifier.doi10.3390/org6040049
dc.identifier.issn2673-401X
dc.identifier.issue4
dc.identifier.orcid0000-0002-2582-4191
dc.identifier.orcid0000-0003-1498-4170
dc.identifier.scopus2-s2.0-105025937783
dc.identifier.scopusqualityQ3
dc.identifier.urihttps://doi.org/10.3390/org6040049
dc.identifier.urihttps://hdl.handle.net/11616/108495
dc.identifier.volume6
dc.identifier.wosWOS:001647098400001
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherMdpi
dc.relation.ispartofOrganics
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WOS_20250329
dc.subjectcobalt
dc.subjectbenzimidazole
dc.subjectcomplex synthesis
dc.subjectethylene dimerization
dc.titleDichloro-Bis(1-Alkyl/Styryl-Benzimidazole)-Cobalt(II) Pre-Catalyst for Ethylene Dimerization
dc.typeArticle

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