Efficient Aqueous-Phase Heck Reaction Catalyzed by a Robust Hydrophilic Pyridine-Bridged Bisbenzimidazolylidene-Palladium Pincer Complex
Zhixun Wang, Xike Feng, Weiwei Fang, Tao Tu*
*Department of Chemistry, Fudan University, 220 Handan Road, 200433 Shanghai, P. R. of China, Email: taotufudan.edu.cn
Z. Wang, X. Feng, W. Fang, T. Tu, Synlett, 2011, 951-954.
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An NHC-palladium pincer complex catalyzes aqueous Heck reactions with extremely low catalyst loading without obvious hydrolysis of products. The robust hydrophilic pyridine-bridged bisbenzimidazolylidene-palladium complex, that is used as the molecular catalyst, allows the conversion of a broad range of aryl iodides.
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aqueous phase, green chemistry, benzimidazole, Heck reaction, Alkenylation, N-heterocyclic carbene, palladium