Palladium anchored to BisPyP@bilayer-SiO2@NMP organic-inorganic hybrid as an efficient and recoverable novel nanocatalyst in suzuki and stille C-C coupling reactions.
Scientific reports(2024)
摘要
The palladium anchored to BisPyP@bilayer-SiO2@NMP organic-inorganic hybrid was employed as an effective and recyclable organometallic catalyst in Suzuki and Stille C-C coupling reactions. The structure of this magnetic nanocatalyst was determined using various techniques such as SEM, TEM, FT-IR, EDS, ICP-OES, VSM, N2 adsorption-desorption isotherms, XRD, and TGA. In both of the mentioned coupling paths, the yields of the products were very favorable and ranged from 90 to 98%. Also, they had significant features compared to previous reports, such as very short reaction time (5-15 and 7-20 min respectively in the Suzuki and Stille reactions), easy work-up, broad substrate scope, ease of separation of the catalyst using a magnet, suitable reproducibility of the catalyst in 6 runs, heterogeneous nature of the catalyst and not washing it during consecutive runs with confirmation of hot filtration and ICP-OES methods.
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关键词
Cross-coupling reactions,Aryl halide,Phenylboronicacid,Triphenyltin chloride,Magnetic/bilayer silica mesostructures,Pd-BisPyP@Bilayer-SiO,2,@NMP
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