Bifunctional Aluminum Catalysts for the Chemical Fixation of Carbon Dioxide into Cyclic Carbonates

被引：78

作者：

de la Cruz-Martinez, Felipe ^{[1
]}

Martinez, Javier ^{[1
]}

Gaona, Miguel A. ^{[1
]}

Fernandez-Baeza, Juan ^{[1
]}

Sanchez-Barba, Luis F. ^{[2
]}

Rodriguez, Ana M. ^{[1
]}

Castro-Osma, Jose A. ^{[3
]}

Otero, Antonio ^{[1
]}

Lara-Sanchez, Agustin ^{[1
]}

机构：

[1] Univ Castilla La Mancha, Fac Ciencias & Tecnol Quim, Ctr Innovat Quim Avanzada ORFEO CINQA, Dept Quim Inorgan Organ & Bioquim, E-13071 Ciudad Real, Spain

[2] Univ Rey Juan Carlos, Dept Biol & Geol Fis & Quim Inorgan, Madrid 28933, Spain

[3] Univ Castilla La Mancha, Fac Farm, Ctr Innovat Quim Avanzada ORFEO CINQA, Dept Quim Inorgan Organ & Bioquim, Albacete 02071, Spain

来源：

ACS SUSTAINABLE CHEMISTRY & ENGINEERING | 2018年 / 6卷 / 04期

关键词：

CO2; Catalysis; Organic carbonates; Aluminum complexes; Epoxides; RING-OPENING COPOLYMERIZATION; STRUCTURAL-CHARACTERIZATION; AMBIENT-TEMPERATURE; EPOXIDES; CO2; EFFICIENT; METHYLATION; COMPLEXES; CYCLOADDITION; ORGANOCATALYSTS;

D O I：

10.1021/acssuschemeng.8b00102

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Bifunctional aluminum complexes supported by novel zwitterionic NNO-donor scorpionate ligands were found to be efficient bifunctional catalysts for cyclic carbonate synthesis from terminal and internal epoxides in good yields and with broad substrate scope. Neutral scorpionate ligands (1-2) were designed and used as precursors to obtain two novel zwitterionic NNO-heteroscorpionate ligands (3-4). Reaction of 3 or 4 with [AlX3] (X = Me, Et) in a 1:1 or 1:2 molar ratio afforded the mononuclear and dinuclear cationic aluminum complexes [AlX2{kappa(2)-mbpzbdmape}]I-2 (X = Me (5), Et (6)), [AlX2{kappa(2)-mbpzbdmape}]I-2 (X = Me (7), Et (8)), [{AlX2(kappa(2)-mbpzbdmape)}(mu-O){AlX3}]I-2 (X = Me (9), Et (10)), and [{AlX2(kappa(2)-mbpzbdmape)}(mu-O){AlX3}]I-2 (X.= Me (11), Et (12)) with elimination of the corresponding alkane. These complexes were investigated as catalysts for cyclic carbonate formation from epoxides and carbon dioxide in the absence of a co-catalyst. Complex 7 was found to be the most active catalyst for cyclic carbonate formation from various epoxides and carbon dioxide.

引用

页码：5322 / 5332

页数：21

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