Catalytic hydrogenation of CO2 with unsymmetric N-heterocyclic carbene–nitrogen–phosphine ruthenium complexes

Li Ji; Tianhua Cui; Xufeng Nie; Yanling Zheng; Xueli Zheng; Haiyan Fu; Maolin Yuan; Hua Chen; Jiaqi Xu; Ruixiang Li

doi:10.1039/D1CY01713F

Catalytic hydrogenation of CO₂ with unsymmetric N-heterocyclic carbene–nitrogen–phosphine ruthenium complexes†

Li Ji,‡^a Tianhua Cui,

‡^a Xufeng Nie,^a Yanling Zheng,

^a Xueli Zheng,

^a Haiyan Fu,

^a Maolin Yuan,^a Hua Chen,^a Jiaqi Xu

*^a and Ruixiang Li

*^a

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* Corresponding authors

^a Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, China
E-mail: jqxu@scu.edu.cn, liruixiang@scu.edu.cn

Abstract

Unsymmetric Ru-CNP and Ru-CN(H)P complexes are synthesized and applied in the hydrogenation of CO₂ to formate for the first time. The Ru-CNP complex shows excellent stability and high activity. The TON is around 170 000 after 48 h at 200 °C, which is a relatively high record value among all the Ru complexes.

Catalysis Science & Technology

Catalytic hydrogenation of CO₂ with unsymmetric N-heterocyclic carbene–nitrogen–phosphine ruthenium complexes†

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Catalytic hydrogenation of CO₂ with unsymmetric N-heterocyclic carbene–nitrogen–phosphine ruthenium complexes

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