New palladium(II)–N‐heterocyclic carbene complexes containing benzimidazole‐2‐ylidene ligand derived from menthol: synthesis,characterization and catalytic activities |
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| Authors: | Rafet Kılınçarslan M. Emin Günay Rukiye Fırıncı Serpil Denizaltı Bekir Çetinkaya |
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| Affiliation: | 1. Pamukkale University, Department of Chemistry, Denizli, Turkey;2. Adnan Menderes University, Department of Chemistry, Ayd?n, Turkey;3. Ege University, Department of Chemistry, ?zmir, Turkey |
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| Abstract: | A new series of sterically hindered ligands containing (1R,2S,4R)‐(+)‐menthoxymethyl group attached to benzimidazole‐based N‐heterocyclic carbene (NHC), palladium–bis‐NHC complexes and (κ2‐C,N)‐palladacyclic NHC complexes have been synthesized and characterized using appropriate spectroscopic techniques. Catalytic performance of the palladium complexes has been investigated for allylic alkylation, Suzuki and Heck carbon–carbon coupling reactions. These complexes smoothly catalyse the carbon–carbon bond formation reactions. Copyright © 2016 John Wiley & Sons, Ltd. |
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| Keywords: | N‐heterocyclic carbene benzimidazolium salt palladacycle cross‐coupling |
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