1009306-05-1Relevant articles and documents
Conversion of trans-bromoboryl platinum complexes into their cis-analogues upon treatment with chelating bisphosphines
Braunschweig, Holger,Leech, Ralph,Rais, Daniela,Radacki, Krzysztof,Uttinger, Katharina
, p. 418 - 422 (2008)
Oxidative addition of B-halogen bonds to Pt(O) centers generally leads to corresponding trans-halo(boryl)complexes. Here, we report on a series of unprecedented ci-bromo(boryl)species of the type cw-[(dcpe)Pt{B(Br)R)(Br)], which were obtained from corresponding complexes trans-[(Cy3P)2Pt(B(Br)R)(Br)] (R = Fc, Pip, Mes) (Cy = cyclohexyl; Fc = ferroceny; Pip = piperidyl, Mes = mesityl) upon treatment with the chelating bisphosphine dcpe (=bis(dicyclohexyl)phosphinoethane). In CH 2Cl2 solution and in the presence of PCy3, one of these products, cw-[(dcpe)Pt{B(Br)Mes)(Br)], is converted into the corresponding chloroboryl complex cis-[(dcpe)Pt{B(Cl)Mes)(Br)]. All compounds were fully characterized by multinuclear NMR spectroscopy and single-crystal X-ray analyses.