Issue 8, 2016

Bromide promoted hydrogenation of CO2 to higher alcohols using Ru–Co homogeneous catalyst

Abstract

Iodides are commonly used promoters in C2+OH synthesis from CO2/CO hydrogenation. Here we report the highly efficient synthesis of C2+OH from CO2 hydrogenation over a Ru3(CO)12–Co4(CO)12 bimetallic catalyst with bis(triphenylphosphoranylidene)ammonium chloride (PPNCl) as the cocatalyst and LiBr as the promoter. Methanol, ethanol, propanol and isobutanol were formed at milder conditions. The catalytic system had a much better overall performance than those of reported iodide promoted systems because PPNCl and LiBr cooperated very well in accelerating the reaction. LiBr enhanced the activity and PPNCl improved the selectivity, and thus both the activity and selectivity were very high when both of them were used simultaneously. In addition, the catalyst could be reused for at least five cycles without an obvious change of catalytic performance.

Graphical abstract: Bromide promoted hydrogenation of CO2 to higher alcohols using Ru–Co homogeneous catalyst

Supplementary files

Article information

Article type
Edge Article
Submitted
23 Mar 2016
Accepted
17 Apr 2016
First published
18 Apr 2016
This article is Open Access

All publication charges for this article have been paid for by the Royal Society of Chemistry
Creative Commons BY license

Chem. Sci., 2016,7, 5200-5205

Bromide promoted hydrogenation of CO2 to higher alcohols using Ru–Co homogeneous catalyst

M. Cui, Q. Qian, Z. He, Z. Zhang, J. Ma, T. Wu, G. Yang and B. Han, Chem. Sci., 2016, 7, 5200 DOI: 10.1039/C6SC01314G

This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. You can use material from this article in other publications without requesting further permissions from the RSC, provided that the correct acknowledgement is given.

Read more about how to correctly acknowledge RSC content.

Social activity

Spotlight

Advertisements