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- Title
Metaboric acid-catalyzed synthesis of cyclic carbonates from epoxides and CO<sub>2</sub>.
- Authors
Boteng Liu; Bangzhong Wang; Shuaibo Zhang; Jingping Qu; Yuhan Zhou
- Abstract
Carbon dioxide stands out as the most prevalent greenhouse gas on Earth, presenting itself as not only abundant but also as a resource that is inexpensive, and renewable. Consequently, extensive research has been conducted on the conversion of CO2, with particular emphasis on the cycloaddition reaction involving CO2 and epoxides, resulting in the formation of cyclic carbonates. In this study, we report a metaboric acid/tetrabutylammonium bromide system for catalyzing the cycloaddition reaction. Employing HBO2 (1.25 mol %) and tetrabutylammonium bromide (3 mol %) as catalysts, the cycloaddition reaction between 4-vinylcyclohexene oxide and CO2 exhibited exceptional efficiency, yielding a 96% yield in 5 hours at 140 °C under 14 bar pressure in solvent-free conditions. Notably, this catalytic system exhibited commendable efficacy in facilitating cycloaddition reactions with various mono- and disubstituted epoxides.
- Subjects
CARBON dioxide; EPOXY compounds; GREENHOUSE gases; CARBONATES; CATALYSTS
- Publication
ARKIVOC: Online Journal of Organic Chemistry, 2024, Vol 2024, p1
- ISSN
1551-7004
- Publication type
Academic Journal
- DOI
10.24820/ark.5550190.p012.249