3 years ago

Synthesis, crystal structural study and catalyst active of benzyloxycarbonylmethyl triphenylphosphonium hexabromopalladate (II) in amination of aryl halides and Suzuki cross-coupling reaction

Hayedeh Heidarnezhad, Arash Ghorbani-Choghamarani, Behrouz Notash, Heshmatollah Babaee, Ali Naghipour


In this study, palladium (II) chloride reacted with the phosphonium salt [PhCH2COOCH2P(Ph)3]Br to give [PhCH2COOCH2P(Ph)3]2[Pd2Br6] (1). The characterization of synthesized compound was performed by elemental analysis, FT-IR, 1H, 31P, 13C NMR and also X-ray crystallography. It was found that this compound works as an efficient catalyst for the amination of aryl halides to afford primary amines, the results of which were satisfactory. Furthermore, it was found that the catalyst showed a high activity for Suzuki carbon–carbon cross-coupling of aryl halides and phenylboronic acid. Interestingly, the catalyst can be recovered from the reaction mixture and recycled four consecutive runs without any significant loss in activity.

Publisher URL: https://link.springer.com/article/10.1007/s13738-018-1406-z

DOI: 10.1007/s13738-018-1406-z

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