Ozdemir, IsmailGurbuz, NevinGok, YetkinCetinkaya, Bekir2024-08-042024-08-0420081042-71631098-1071https://doi.org/10.1002/hc.20415https://hdl.handle.net/11616/94438Novel 1,3-dialkylimidazolidinium, 1,3-dialkyl-3,4,5,6-tetrahydropyrimidinium, and 1,3-dialkyl-1H-4,5,6,7-tetrahydrodiazepinium hexafluorophosphates (la-c, 2a-c) as N-heterocyclic carbene precursors have been synthesized and characterized. The incorporation of saturated N-heterocyclic carbenes into palladium precatalysts gives high-catalyst activity in the Heck coupling of aryl bromide substrates in aqueous media. The complexes were generated in the presence of Pd(OAC)(2) by in situ deprotonation of 1,3-dialkylazolinium salts 1, 2. (C) 2008 Wiley Periodicals, Inc.eninfo:eu-repo/semantics/closedAccessCross-Coupling ReactionsPalladium-Catalyzed SynthesisSuzuki-Miyaura ReactionAryl ChloridesHeterocyclic CarbenesEfficient CatalystC-CComplexesLigandPalladacyclesArticle191828610.1002/hc.204152-s2.0-38449120716Q4WOS:000252943900014Q3