Ppm-Pd-Fe nanoparticles on charcoal: Palladium catalyzed Suzuki-Miyaura cross-coupling reactions of aryl triflates with aryl neopentylglycolboronates.

Aryl triflate is a type of facile and readily available compounds, which could be used as an alternative substrate for Suzuki cross coupling. In this manuscript, a novel ppm-Pd-Fe/C catalyst has been developed by reduction of palladium acetate and iron trichloride with aqueous hydrazine in situ and supported on activated charcoal. In combined with Sphos, and metal zinc as additives, this catalyst, with 300 ppm palladium loading, could be applied in the Suzuki cross coupling between aryl triflates with aryl neopentylglycolboronates. A highly efficient catalytic aerobic oxidation of alcohols has been developed by using Cu0 nanoparticles in combined with pyridine. With molecular oxygen as terminal oxidant., variety alcohols are oxidized to corresponding ketones or aldehydes under mild conditions. [Display omitted] [ABSTRACT FROM AUTHOR]