The author of 《Efficient cyanation of aryl halides with K4[Fe(CN)6] catalyzed by encapsulated palladium nanoparticles in biguanidine-chitosan matrix as core-shell recyclable heterogeneous nanocatalyst》 were Veisi, Hojat. And the article was published in Polyhedron in 2019. SDS of cas: 623-00-7 The author mentioned the following in the article:
Palladium nanoparticles encapsulated in biguanidine-functionalized chitosan matrix (Pd@CS-biguanidine) was applied as a reusable and core-shell nanocatalyst for cyanation of aryl iodides and bromides with K4[Fe(CN)6] as the cyanating agent. The nitriles were generated in good to excellent yield and the catalyst can be recycled and reapplied up to seven times with no significant change in its catalytic performance. The experimental process involved the reaction of 4-Bromobenzonitrile(cas: 623-00-7SDS of cas: 623-00-7)
4-Bromobenzonitrile(cas: 623-00-7) has been used in the synthesis of 4-iodobenzonitrile via photo-induced aromatic Finkelstein iodination reaction.SDS of cas: 623-00-7 It can also be used as an aryl halide test compound in developing greener reaction conditions for Suzuki cross-coupling between aryl halides and phenyl boronic acid.
Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts