One-Pot Tandem Catalytic Epoxidation-CO2 Insertion of Monounsaturated Methyl Oleate to the Corresponding Cyclic Organic Carbonate

被引：9

作者：

Calmanti, Roberto ^{[1
]}

Sargentoni, Nicola ^{[1
]}

Selva, Maurizio ^{[1
]}

Perosa, Alvise ^{[1
]}

机构：

[1] Univ Ca Foscari Venezia, Dipartimento Sci Mol & Nanosistemi, Via Torino 155, I-30172 Venice, Italy

来源：

CATALYSTS | 2021年 / 11卷 / 12期

关键词：

direct oxidative carboxylation; tandem catalysis; cyclic organic carbonates; tungstate ionic liquids; EPOXY FATTY-ACIDS; SELECTIVE EPOXIDATION; HYDROGEN-PEROXIDE; IONIC LIQUIDS; CO2; ESTERS; MILD; CYCLOADDITION; TUNGSTATE; AMMONIUM;

D O I：

10.3390/catal11121477

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：

Conversion of unsaturated fatty acids, FAMEs or triglycerides into the corresponding cyclic organic carbonates involves two reaction steps-double-bond epoxidation and CO2 insertion into the epoxide-that are generally conducted separately. We describe an assisted-tandem catalytic protocol able to carry out carbonation of unsaturated methyl oleate in one-pot without isolating the epoxide intermediate. Methyl oleate carbonate was obtained in 99% yield and high retention of cis-configuration starting from methyl oleate using hydrogen peroxide and CO2 as green reagents, in a biphasic system and in the presence of an ammonium tungstate ionic liquid catalyst with KBr as co-catalyst.

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页数：17

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