An improved boron-catalyzed cycloaddition of CO2 to epoxides for the production of five-membered cyclic carbonates under atmospheric versus high-pressure conditions

Kilic, Ahmet; Aytar, Emine; Okcu, Ceylan; Durgun, Mustafa

doi:10.1016/j.scp.2024.101620

Sustainable Chemistry and Pharmacy

2024

DOI: 10.1016/j.scp.2024.101620

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An improved boron-catalyzed cycloaddition of CO2 to epoxides for the production of five-membered cyclic carbonates under atmospheric versus high-pressure conditions

Ahmet Kilic,

Emine Aytar,

Ceylan Okcu

et al.

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Cited by 5 publications

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Deep Eutectic Solvent Engineered Dendritic Fibrous Nano‐Silica Catalyst for Sustainable Fixation of CO₂ Into Value‐Added Product at Atmospheric Condition

Alla,

Sudhakaran,

Bembalge

et al. 2024

Applied Organom Chemis

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Developing efficient carbon dioxide (CO2) capture and conversion methods is vital for climate change mitigation. Cycloaddition of CO2 with epoxides to form cyclic carbonates is a promising utilization method. In this study, a deep eutectic solvent‐modified dendritic fibrous nano‐silica (DES@DFNS) catalyst was synthesized by functionalizing DFNS with DES. This catalyst was used for the cycloaddition of CO2 with styrene oxide to produce styrene carbonate. The material's morphology and properties were characterized using various analytical techniques, revealing a high surface area, good porosity, and significant concentrations of Lewis acidic and basic sites. Rietveld refinement analysis provided insights into its phase composition, crystallite size, microstrain, stress, and other microstructural properties. Despite a lower surface area, DES@DFNS demonstrated superior catalytic activity. The interaction between DES and DFNS showed that DES was physically adsorbed onto the DFNS surface, contributing to its enhanced performance. Factors such as smaller crystallite size, higher microstrain, increased dislocation density, and improved elastic properties provided more active sites and greater mechanical stability, boosting overall efficiency and durability. The DES@DFNS catalyst achieved 99% conversion of styrene oxide with 96% selectivity and 95% yield of styrene carbonate at 120 °C for 10 h under solvent‐free, atmospheric conditions. The synergistic effect of Lewis acidic and basic sites on DES@DFNS supported catalytic activity under moderate conditions. Additionally, the catalyst demonstrated reusability, maintaining performance for up to six cycles without significant loss of activity, making it a promising candidate for sustainable CO2 fixation and valorization processes.

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Deep Eutectic Solvent Engineered Dendritic Fibrous Nano‐Silica Catalyst for Sustainable Fixation of CO₂ Into Value‐Added Product at Atmospheric Condition

Alla,

Sudhakaran,

Bembalge

et al. 2024

Applied Organom Chemis

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Efficient green solvent-free CO2/epoxide cycloaddition catalyzed by a β-cyclodextrin-imidazolium-based ionic liquid

Tomarchio,

Zagni,

Turnaturi

et al. 2024

Journal of Industrial and Engineering Chemistry

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Research progress in catalytic conversion of CO2 and epoxides based on ionic liquids to cyclic carbonates

Liu,

Chang,

Yan

et al. 2025

Nano Energy

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An improved boron-catalyzed cycloaddition of CO2 to epoxides for the production of five-membered cyclic carbonates under atmospheric versus high-pressure conditions

Cited by 5 publications

References 73 publications

Deep Eutectic Solvent Engineered Dendritic Fibrous Nano‐Silica Catalyst for Sustainable Fixation of CO₂ Into Value‐Added Product at Atmospheric Condition

Deep Eutectic Solvent Engineered Dendritic Fibrous Nano‐Silica Catalyst for Sustainable Fixation of CO₂ Into Value‐Added Product at Atmospheric Condition

Efficient green solvent-free CO2/epoxide cycloaddition catalyzed by a β-cyclodextrin-imidazolium-based ionic liquid

Research progress in catalytic conversion of CO2 and epoxides based on ionic liquids to cyclic carbonates

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An improved boron-catalyzed cycloaddition of CO2 to epoxides for the production of five-membered cyclic carbonates under atmospheric versus high-pressure conditions

Cited by 5 publications

References 73 publications

Deep Eutectic Solvent Engineered Dendritic Fibrous Nano‐Silica Catalyst for Sustainable Fixation of CO2 Into Value‐Added Product at Atmospheric Condition

Deep Eutectic Solvent Engineered Dendritic Fibrous Nano‐Silica Catalyst for Sustainable Fixation of CO2 Into Value‐Added Product at Atmospheric Condition

Efficient green solvent-free CO2/epoxide cycloaddition catalyzed by a β-cyclodextrin-imidazolium-based ionic liquid

Research progress in catalytic conversion of CO2 and epoxides based on ionic liquids to cyclic carbonates

Contact Info

Product

Resources

About

Deep Eutectic Solvent Engineered Dendritic Fibrous Nano‐Silica Catalyst for Sustainable Fixation of CO₂ Into Value‐Added Product at Atmospheric Condition

Deep Eutectic Solvent Engineered Dendritic Fibrous Nano‐Silica Catalyst for Sustainable Fixation of CO₂ Into Value‐Added Product at Atmospheric Condition