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Issue 58, 2016
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E–H (E = B, Si, Ge) bond activation of pinacolborane, silanes, and germanes by nucleophilic palladium carbene complexes

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Abstract

The reactivity of two nucleophilic palladium carbenes, [PC(sp2)P]Pd(PMe3) and [PC(sp2)P]Pd(PPh3), where [PC(sp2)P] = bis[2-(di-iso-propylphosphino)phenyl]methylene, toward the E–H bond activation of Ph4−nEHn (E = Si, Ge; n = 1–3) and pinacolborane (HBpin) is discussed. Unlike previous reports, both types of isomer species, hydride [PC(EHn−1Ph4−n)P]PdH or [PC(Bpin)P]PdH and silyl/germyl [PC(H)P]Pd(EHn−1Ph4−n), were observed depending on the substrate and the phosphine ligand, showing that the polarity of the Pd–C bond can be tuned by the phosphine substituents.

Graphical abstract: E–H (E = B, Si, Ge) bond activation of pinacolborane, silanes, and germanes by nucleophilic palladium carbene complexes

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Publication details

The article was received on 16 Nov 2015, accepted on 20 Jan 2016 and first published on 21 Jan 2016


Article type: Communication
DOI: 10.1039/C5CC09468B
Chem. Commun., 2016,52, 9048-9051

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    E–H (E = B, Si, Ge) bond activation of pinacolborane, silanes, and germanes by nucleophilic palladium carbene complexes

    C. C. Comanescu and V. M. Iluc, Chem. Commun., 2016, 52, 9048
    DOI: 10.1039/C5CC09468B

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