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[(1, 3??Bis {2, 6??bis (diphenylmethyl)??4??methylphenyl} imidazole??2??ylidene) PdCl2 (NEt3)]:“Throwing Away” a Different Ancillary Ligand to Enhance the Catalytic …

D Guest, MT Chen, GJ Tizzard, SJ Coles…

文献索引:Guest, Daniel; Chen, Ming-Tsz; Tizzard, Graham J.; Coles, Simon J.; Turner, Michael Lewis; Navarro, Oscar European Journal of Inorganic Chemistry, 2014 , # 13 p. 2200 - 2203

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被引用次数: 2

摘要

Abstract A considerable effort in ligand design for catalysis in recent years has led to remarkable achievements in cross-coupling reactions. In this work, we show that a careful selection of the ancillary ligands that complete the catalyst/precatalyst can provide an extra level of performance. Low loadings of [(IPr*) PdCl 2 (TEA)]{IPr*= 1, 3-bis [2, 6-bis (diphenylmethyl)-4-methylphenyl] imidazole-2-ylidene, TEA= triethylamine} catalyze the ...