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Paper | Regular issue | Vol 81, No. 4, 2010, pp.943-953
Published online, 19th February, 2010
DOI: 10.3987/COM-09-11896
The Synthesis of Some Benzimidazolium Salts and Use as Carbene Precursors in the Heck and Suzuki Reactions

Beyhan Yiğit, Murat Yiğit,* İsmail Özdemir, and Engin Çetinkaya

*Department of Chemistry, Faculty of Arts and Sciences, Adıyaman University, 20240 Adıyaman , Turkey


Novel 1-(2-diisopropylaminoethyl)-3-alkylbenzimidazolium salts as N-heterocyclic carbene precursors 2a-g were prepared by quarternazition of 1-(2-diisopropylaminoethyl)benzimidazoles in DMF with alkyl halides. The salts were characterized spectroscopically and in situ formed complexes from Pd(OAc)2 and 2 have been tested as catalyst in homogenous Heck and Suzuki reactions.