Imidazol-2-ylidene-Pd-PEPPSI complexes containing 4-acetylphenyl side arm: Synthesis, characterization, crystal structure, and applications in Suzuki, Heck and Sonogashira reactions

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dc.contributor.authorDemirci, Ozlem
dc.contributor.authorCelepci, Duygu Barut
dc.contributor.authorGok, Yetkin
dc.contributor.authorAktas, Aydin
dc.contributor.authorAyguen, Muhittin
dc.date.accessioned2026-04-04T13:35:05Z
dc.date.available2026-04-04T13:35:05Z
dc.date.issued2025
dc.departmentİnönü Üniversitesi
dc.description.abstractThis study presents the synthesis of new Pyridine-Enhanced Precatalyst Preparation Stabilization and Initiation (PEPPSI) type N-heterocyclic carbene (NHC)-Pd(II) complexes featuring a 4-acetylphenyl side arm, which demonstrate stability in the presence of air and moisture and function as homogeneous catalysts. All complexes were characterized using the elemental analysis technique and FTIR, 1H NMR, and 13C NMR spectroscopic methods. In addition, the molecular and crystal structures of the five complexes (2a, 2c, 2d, 2e, 2g) were determined by single crystal X-ray diffraction (SC-XRD). These complexes have been investigated for their catalytic abilities in the Suzuki-Miyaura cross-coupling reactions of aryl chlorides and bromides with aryl boronic acid derivatives, the Heck cross-coupling reactions of aryl bromides with styrene, and the cross-coupling reactions of aryl bromides with phenylacetylene. In addition, we investigated the catalytic activities of some complexes (2e, 2g) in the Sonogashira coupling reaction. The catalytic activities of these homogeneous catalysts in C-C coupling reactions were determined by varying various parameters such as solvent, base, temperature and time. They were found to be active catalysts under these conditions.
dc.description.sponsorshipInonu University Research Fund [2010.KB.FEN.13, FBG-2021-2525]
dc.description.sponsorshipThe authors thank Dokuz Eyluel University for the use of the Rigaku Oxford Xcalibur Eos Diffractometer (purchased under University Research Grant No: 2010.KB.FEN.13) . This study was financially sup-ported by Inonu University Research Fund (Project Code: FBG-2021-2525) .
dc.identifier.doi10.1016/j.ica.2025.122845
dc.identifier.issn0020-1693
dc.identifier.issn1873-3255
dc.identifier.scopus2-s2.0-105012619374
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.1016/j.ica.2025.122845
dc.identifier.urihttps://hdl.handle.net/11616/109604
dc.identifier.volume588
dc.identifier.wosWOS:001547379900001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier Science Sa
dc.relation.ispartofInorganica Chimica Acta
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WOS_20250329
dc.subjectCrystal structure
dc.subjectImidazole
dc.subjectPEPPSI
dc.subjectSuzuki-Miyaura
dc.subjectMizoroki-heck
dc.subjectSonogashira
dc.titleImidazol-2-ylidene-Pd-PEPPSI complexes containing 4-acetylphenyl side arm: Synthesis, characterization, crystal structure, and applications in Suzuki, Heck and Sonogashira reactions
dc.typeArticle

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