Journal
ORGANOMETALLICS
Volume 27, Issue 3, Pages 418-422Publisher
AMER CHEMICAL SOC
DOI: 10.1021/om700976t
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Oxidative addition of B-halogen bonds to Pt(0) centers generally leads to corresponding trans-halo(boryl)complexes. Here, we report on a series of unprecedented cis-bromo(boryl)species of the type cis-[(dcpe)Pt{B(Br)R)(Br)], which were obtained from corresponding complexes trans[(Cy3P)(2)Pt{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 CH2Cl2 solution and in the presence Of PCy3, One of these products, cis-[(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.
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