Suzuki–Miyaura coupling with high turnover number using an N-acyl-N-heterocyclic carbene palladacycle precursor
H Palencia, F Garcia-Jimenez, JM Takacs
Index: Palencia, Hector; Garcia-Jimenez, Federico; Takacs, James M. Tetrahedron Letters, 2004 , vol. 45, # 20 p. 3849 - 3853
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Citation Number: 53
Abstract
A simple N-acylimidazolium salt precursor to a NHC-complexed palladacyclic ligand gives high turnover numbers (> 107) for Suzuki–Miyaura coupling and is applied to the preparation of biaryls used in the synthesis of coumarins. The results suggest that N-acyl- NHC derivatives can contribute to further expanding the rich chemistry of NHCs.
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