Low-valent homobimetallic Rh complexes: Influence of ligands on the structure and the intramolecular reactivity of Rh-H intermediates

Pascal Jurt, Oleg G. Salnikov, Thomas L. Gianetti, Nikita V. Chukanov, Matthew G. Baker, Grégoire Le Corre, Jaap E. Borger, Rene Verel, Sébastien Gauthier, Olaf Fuhr, Kirill V. Kovtunov, Alexey Fedorov, Dieter Fenske, Igor V. Koptyug, Hansjörg Grützmacher

Результат исследования: Научные публикации в периодических изданияхстатья

1 Цитирования (Scopus)

Аннотация

Supporting two metal binding sites by a tailored polydentate trop-based (trop = 5H-dibenzo[a,d]cyclohepten-5-yl) ligand yields highly unsymmetric homobimetallic rhodium(i) complexes. Their reaction with hydrogen rapidly forms Rh hydrides that undergo an intramolecular semihydrogenation of two CC bonds of the trop ligand. This reaction is chemoselective and converts CC bonds to a bridging carbene and an olefinic ligand in the first and the second semihydrogenation steps, respectively. Stabilization by a bridging diphosphine ligand allows characterization of a Rh hydride species by advanced NMR techniques and may provide insight into possible elementary steps of H2 activation by interfacial sites of heterogeneous Rh/C catalysts.

Язык оригиналаанглийский
Страницы (с-по)7937-7945
Число страниц9
ЖурналChemical Science
Том10
Номер выпуска34
DOI
СостояниеОпубликовано - 14 сен 2019

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  • Цитировать

    Jurt, P., Salnikov, O. G., Gianetti, T. L., Chukanov, N. V., Baker, M. G., Le Corre, G., Borger, J. E., Verel, R., Gauthier, S., Fuhr, O., Kovtunov, K. V., Fedorov, A., Fenske, D., Koptyug, I. V., & Grützmacher, H. (2019). Low-valent homobimetallic Rh complexes: Influence of ligands on the structure and the intramolecular reactivity of Rh-H intermediates. Chemical Science, 10(34), 7937-7945. https://doi.org/10.1039/c9sc02683e