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

Chemical Science
Meng CuiBuxing Han

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.

References

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Citations

Feb 29, 2020·Chemical Science·Jingjing ZhangBuxing Han
Oct 11, 2017·Chemical Science·Xiaofu SunBuxing Han
Apr 17, 2018·Angewandte Chemie·Lingxiang WangFeng-Shou Xiao
Apr 13, 2021·Accounts of Chemical Research·Bernard Baffour Asare BediakoBuxing Han
Oct 7, 2017·Chemical Reviews·Katerina SordakisGábor Laurenczy
Feb 23, 2020·Journal of the American Chemical Society·Yang SongWenbin Lin
May 29, 2018·ACS Central Science·Aanindeeta Banerjee, Matthew W Kanan

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Methods Mentioned

BETA
X-ray

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