Issue 58, 2016

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

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

Supplementary files

Article information

Article type
Communication
Submitted
16 nov. 2015
Accepted
20 janv. 2016
First published
21 janv. 2016

Chem. Commun., 2016,52, 9048-9051

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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