Triarylphosphanes with dendritically arranged tetraethylene glycol moieties at the periphery: An efficient ligand for the palladium-catalyzed Suzuki-Miyaura coupling reaction
Peripheral vision: A second generation dendritic phosphane, with tetraethylene glycol (TEG) moieties at the periphery, has been designed and prepared (see structure). It is particularly effective as a ligand for the title transformation when using aryl chloride substrates. To realize high catalytic activity, the TEG groups must be connected to the phosphane framework. (Figure Presented)