Novel triphenylarsinyl-functionalized N-heterocyclic carbene ligands in palladium-catalyzed C-C coupling reactions |
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| Authors: | Frank Stiemke Dieter E Kaufmann |
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| Institution: | a Institut für Organische Chemie der Technischen Universität Clausthal, Leibnizstr. 6, 38678 Clausthal-Zellerfeld, Germany
b Institut für Anorganische und Analytische Chemie der Technischen Universität Clausthal, Paul-Ernst-Straße 4, 38678 Clausthal-Zellerfeld, Germany |
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| Abstract: | Synthesis of novel triphenylarsinyl-functionalized N-heterocyclic carbene pre-ligands starting from N,N-dimethylbenzylamine, chlorodiphenylarsine and different 1-substituted imidazoles and their characterization by NMR and X-ray analysis is reported. Furthermore, these precursors are applied to different palladium-catalyzed reactions such as Heck-, hydro-Heck, π, σ domino-Heck and Suzuki reactions to give the C-C coupling products in good to excellent isolated yields. |
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| Keywords: | Carbene ligands As-ligands X-ray diffraction Homogenous catalysis π σ Domino-Heck reaction Suzuki reaction |
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