Efficient co-upcycling of glycerol and CO2 into valuable products enabled by a bifunctional Ru-complex catalyst

被引：2

作者：

Cui, Tianhua ^{[1
]}

Gong, Huihua ^{[2
]}

Ji, Li ^{[3
]}

Mao, Jiawei ^{[4
]}

Xue, Weichao ^{[1
]}

Zheng, Xueli ^{[1
]}

Fu, Haiyan ^{[1
]}

Chen, Hua ^{[1
]}

Li, Ruixiang ^{[1
]}

Xu, Jiaqi ^{[1
,5
]}

机构：

[1] Sichuan Univ, Coll Chem, Key Lab Green Chem & Technol, Minist Educ, Chengdu 610064, Sichuan, Peoples R China

[2] Neijiang Normal Univ, Coll Chem & Chem Engn, Analyt & Testing Ctr, Neijiang 641112, Peoples R China

[3] Sichuan Res Inst Chem Qual & Safety Testing, Chengdu 610031, Sichuan, Peoples R China

[4] Sichuan Inst Prod Qual Supervis & Inspect, Chengdu 610100, Sichuan, Peoples R China

[5] Ecole Polytech Fed Lausanne, Lab Photon & Interfaces, CH-1015 Lausanne, Switzerland

来源：

CHEMICAL COMMUNICATIONS | 2024年 / 60卷 / 84期

基金：

中国国家自然科学基金;

关键词：

CARBON-DIOXIDE; TRANSFER HYDROGENATION; CONVERSION; METHANOL; DEHYDROGENATION; FORMATE;

D O I：

10.1039/d4cc02436b

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Glycerol and CO2 are largely produced as by-products in modern industry. Herein, three Ru complexes bearing air- and water-stable NHC-nitrogen-nitrogen ligands are designed as bifunctional catalysts to upcycle glycerol and CO2 simultaneously. Among them, Ru complex 2 featuring an N-H structure shows the highest efficiency with TONs up to 300 000 and 387 000 for formate and lactate, respectively. C-13 labelling experiments clearly manifest that formate is primarily derived from CO2. Furthermore, in situ FTIR spectra suggest that glyceraldehyde from glycerol might serve as a key intermediate to form lactate, while DFT calculations indicate that Ru complex 2 possesses the lowest reaction barriers and can form the Ru = N intermediate, contributing to its higher activity.

引用

页码：12221 / 12224

页数：4

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