Robust acenaphthoimidazolylidene palladium complexes: highly efficient catalysts for suzuki-miyaura couplings with sterically hindered substrates |
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Authors: | Tao Tu Zheming Sun Weiwei Fang Mizhi Xu Yunfei Zhou |
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Institution: | Department of Chemistry, Fudan University , 220 Handan Road, 200433, Shanghai, China. |
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Abstract: | Robust acenaphthoimidazolylidene palladium complexes have been demonstrated as highly efficient and general catalysts for the sterically hindered Suzuki-Miyaura cross-coupling reactions in excellent yields even with low catalyst loadings under mild reaction conditions. The high catalytic activity of these complexes highlights that, besides the "flexible steric bulky" concept, σ-donor properties of the NHC ligands are also crucial to accelerate the transformations. |
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