Issue 5, 2016

Phosphidoboratabenzene–rhodium(i) complexes as precatalysts for the hydrogenation of alkenes at room temperature and atmospheric pressure

Abstract

The di-tert-butylphosphido-boratabenzene ligand (DTBB) reacts with [(C2H4)2RhCl]2 yielding the dimeric species [(C2H4)Rh(DTBB)]2 (1). This species was fully characterized by multinuclear NMR and X-ray crystallography. Complex 1 readily dissociates ethylene in solution and upon exposure to 1 atm of H2 is capable of carrying out the hydrogenation of ethylene. The characterization of two Rh–H species by multinuclear NMR spectroscopy is provided. The reactivity of 1 towards the catalytic hydrogenation of alkenes and alkynes at room temperature and 1 atm of H2 is reported and compared to the activity of Wilkinson's catalyst under the same reaction conditions.

Graphical abstract: Phosphidoboratabenzene–rhodium(i) complexes as precatalysts for the hydrogenation of alkenes at room temperature and atmospheric pressure

Supplementary files

Article information

Article type
Paper
Submitted
12 Aug 2015
Accepted
23 Oct 2015
First published
26 Oct 2015

Dalton Trans., 2016,45, 2130-2137

Author version available

Phosphidoboratabenzene–rhodium(I) complexes as precatalysts for the hydrogenation of alkenes at room temperature and atmospheric pressure

V. Perez, P. Audet, W. Bi and F. Fontaine, Dalton Trans., 2016, 45, 2130 DOI: 10.1039/C5DT03109E

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