Ionically tagged benzimidazole palladium(II) complex: preparation and catalytic application in cross-coupling reactions |
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| Authors: | Li Zhang Junliang WuLijun Shi Chungu XiaFuwei Li |
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| Institution: | a State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 73000, PR China
b Graduate School of the Chinese Academy of Sciences, Beijing 100039, PR China |
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| Abstract: | An imidazolium chloride tagged palladium(II) complex has been conveniently prepared and structurally analyzed. It is active toward cross-coupling of arylboronic acid with aryl halide and benzoyl chloride, giving moderate to high yield of the desired biaryls and aryl ketones, respectively. The present phosphine-free (N-N)Pd(II) complex could be efficiently recycled at least four times with minor decrease of activity in the aqueous Suzuki-Miyaura coupling reaction. |
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| Keywords: | Phosphine-free Cross-coupling Recyclable catalyst Crystal structure |
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