ONO pincer type ligand complexes of Al(III) as efficient catalyst for chemical fixation of CO2 to epoxides at atmospheric pressure

被引：36

作者：

Ullah, Habib ^{[1
,2
]}

Mousavi, Bibimaryam ^{[1
]}

Younus, Hussein A. ^{[5
]}

Khattak, Zafar A. K. ^{[1
,2
]}

Suleman, Suleman ^{[1
,2
]}

Jan, Muhammad T. ^{[6
]}

Yu, Baoyi ^{[7
]}

Chaemchuen, Somboon ^{[1
]}

Verpoort, Francis ^{[1
,2
,3
,4
]}

机构：

[1] Wuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan, Hubei, Peoples R China

[2] Wuhan Univ Technol, Sch Mat Sci & Engn, Wuhan, Hubei, Peoples R China

[3] Ghent Univ Global Campus, CEER, 119 Songdomunhwa Ro, Incheon 21985, South Korea

[4] Natl Res Tomsk Polytech Univ, Lenin Ave 30, Tomsk 634050, Russia

[5] Fayoum Univ, Fac Sci, Dept Chem, Al Fayyum 63514, Egypt

[6] Islamia Coll Univ, Dept Chem, Peshawar, KPK, Pakistan

[7] Beijing Agr Univ, Coll Biol Sci Engn, Minist Agr, Key Lab Urban Agr North China, Beijing 102206, Peoples R China

来源：

JOURNAL OF CATALYSIS | 2019年 / 377卷

关键词：

CO2; fixation; Pincer ligand; Aluminium complexes; Cyclic carbonate; Homogeneous catalysis; CYCLIC CARBONATE SYNTHESIS; ORGANIC CARBONATES; ALUMINUM CATALYST; DIOXIDE; CYCLOADDITION; TEMPERATURE; ZN;

D O I：

10.1016/j.jcat.2019.07.033

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Carbon dioxide, the main cause of environmental pollution, its utilization to produce valuable products is of utmost interest. A series ONO pincer hydrazone based most active mono-nuclear Al(III) complexes were successfully synthesized and characterized with the help of NMR, IR, mass spectrometry and only complex 2a was confirmed by single-crystal analysis. The synthesized Al(III) complexes were then employed as capable catalysts for the solvent-free chemical fixation of CO2 with epoxides at atmospheric pressure and could be reused five times without loss of any catalytic activity. In addition, the catalytic mechanism was investigated by analyzing intermediates via H-1 NMR, C-13 NMR, and mass MALDI-TOF. The excellent catalytic performance could be due to simultaneous attack and the opening of the epoxide by metal centers to form an alkoxide ion which activates the CO(2 )the same time. (C) 2019 Elsevier Inc. All rights reserved.

引用

页码：190 / 198

页数：9

共 61 条

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