Issue 12, 2016

Tuning the activity and selectivity of iridium-NSiN catalyzed CO2 hydrosilylation processes

Abstract

The catalytic activity of various Ir-NSiN-type complexes, containing different ancillary ligands and/or modified NSiN-type ligands, as catalyst precursors for CO2 hydrosilylation has been studied. The results from these experiments evidenced that the activity and selectivity of the above mentioned catalytic systems depend on the nature of the ancillary ligands as well as on the reaction parameters (temperature and CO2 pressure). Thus, the best catalytic performance has been achieved at 328 K and 8 bar of CO2 using the complex [Ir(H)(CF3CO2)(NSiN*)(coe)] (NSiN* = fac-bis-(4-methylpyridine-2-yloxy)methylsilyl) as a catalyst precursor.

Graphical abstract: Tuning the activity and selectivity of iridium-NSiN catalyzed CO2 hydrosilylation processes

Supplementary files

Article information

Article type
Paper
Submitted
10 Dec 2015
Accepted
28 Jan 2016
First published
28 Jan 2016

Catal. Sci. Technol., 2016,6, 4410-4417

Tuning the activity and selectivity of iridium-NSiN catalyzed CO2 hydrosilylation processes

A. Julián, E. A. Jaseer, K. Garcés, F. J. Fernández-Alvarez, P. García-Orduña, F. J. Lahoz and L. A. Oro, Catal. Sci. Technol., 2016, 6, 4410 DOI: 10.1039/C5CY02139A

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