A Protic Ionic Liquid Catalyzes CO2 Conversion at Atmospheric Pressure and Room Temperature: Synthesis of Quinazoline‐2,4(1 H,3 H)‐diones
Abstract
The chemical fixation of CO2 under mild reaction conditions is of significance from a sustainable chemistry viewpoint. Herein a CO2-reactive protic ionic liquid (PIL), [HDBU(+)][TFE(-)], was designed by neutralization of the superbase 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU) with a weak proton donor trifluoroethanol (TFE). As a bifunctional catalyst for simultaneously activating CO2 and the substrate, this PIL displayed excellent performance in catalyzing the reactions of CO2 with 2-aminobenzonitriles at atmospheric pressure and room temperature, thus producing a series of quinazoline-2,4(1H,3H)-diones in excellent yields.
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Catalytic formation of C-N bonds results from reactions of CO2 with various amines to synthesize N-containing compounds, including oxazolidinones, quinazolines, ureas, imidazolinones, and benzimidazoles.
“Catalytic formation of C–N bonds resulting from the reactions of CO2 with various amines to the synthesis of N-containing compounds. Various N-containing compounds, including oxazolidinones, quinazolines, ureas, imidazolinones, and benzimidazoles, can be produced via these routes.297, 298, 299, 300”
From Technologies and perspectives for achieving carbon neutrality (2021) · cites this paper as [300]
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Technologies and perspectives for achieving carbon neutrality
Wang, F., Harindintwali, J. D., Yuan, Z., Wang, M., Wang, F., Li, S., Yin, Z., Huang, L., Fu, Y., Li, L., et al. (2021) · The Innovation · doi:10.1016/j.xinn.2021.100180 · Cited by 1,330 · see citing works
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Self-citation
- Authors
- Zhao, Y., Yu, B., Yang, Z., Zhang, H., Hao, L., Gao, X., & Liu, Z.
- Affiliations
- Chinese Academy of Sciences (CN)
- Corresponding author
- Liu, Zhimin
- Venue
- Angewandte Chemie International Edition
- Publisher
- Wiley
- Published
- 2014-04-30
- Volume
- 53
- Issue
- 23
- Pages
- 5922-5925
- ISSN
- 1433-7851 (ISSN-L)
- 1521-3773
- OpenAlex
- W2106528615
- Cited by
- 250
- References
- 60
- Citations by year
- 2026: 4 · 2025: 15 · 2024: 12 · 2023: 17 · 2022: 12 · 2021: 28 · 2020: 18 · 2019: 27 · 2018: 29 · 2017: 31 · 2016: 23 · 2015: 23 · 2014: 11
- FWCI
- 12.18
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Angewandte Chemie International Edition (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Chemical Engineering › Process Chemistry and Technology › Carbon dioxide utilization in catalysis
- Physical Sciences › Chemical Engineering › Catalysis › Ionic liquids properties and applications
- Physical Sciences › Engineering › Mechanical Engineering › Carbon Dioxide Capture Technologies
- Keywords
- protic ionic liquids, CO2 fixation, CO2 activation, quinazoline-2,4(1H,3H)-diones, 2-aminobenzonitriles, DBU, trifluoroethanol, bifunctional catalysts, atmospheric pressure, room temperature
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