《A Novel Water-Dispersible/Magnetically Recyclable Pd Catalyst for C-C Cross-Coupling Reactions in Pure Water》 was written by Sobhani, Sara; Habibollahi, Azam; Zeraatkar, Zohre. Recommanded Product: 4-FluorobenzonitrileThis research focused onwater magnetic recyclable palladium catalyst coupling Hiyama Suzuki. The article conveys some information:
A novel water-dispersible magnetically recyclable Pd heterogeneous catalyst, denoted as Pd-γ-Fe2O3-2-ATP-TEG-MME, was initially synthesized and then characterized by diverse methods such as FTIR, TEM, TGA, XPS, VSM, ICP, and elemental anal. The new catalyst was used as a water-dispersible/magnetically separable Pd heterogeneous catalyst for C-C cross-coupling reactions including cyanation of aryl halides, fluoride-free Hiyama and Suzuki reactions in neat water. By using this approach numerous arylcyanides and biaryls were synthesized in good to high yields via the reaction of aryl iodides, bromides, and chlorides (far more extensively available and cheaper than aryl iodides and bromides) with K4[Fe(CN)6]·3H2O, triethoxyphenylsilane, or Ph boronic acid, resp. The presence of triethylene glycol tags with hydrophilic character on the Pd-complex supported on magnetic nanoparticles provides dispersion of the catalyst particles in water, which leads to both higher catalytic performance and also facile catalyst recovery and reuse by successive extraction and final magnetic separation Using water as a green solvent, high turnover number (TON), facile catalyst recovery and reuse, simple workup, and not requiring any additive make this method an ecofriendly protocol for the C-C cross-coupling reactions.4-Fluorobenzonitrile(cas: 1194-02-1Recommanded Product: 4-Fluorobenzonitrile) was used in this study.
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Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts