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- Title
Green Synthesis of 2-Oxazolidinones by an Efficient and Recyclable CuBr/Ionic Liquid System via CO 2 , Propargylic Alcohols, and 2-Aminoethanols.
- Authors
Bu, Chao; Gong, Yanyan; Du, Minchen; Chen, Cheng; Chaemchuen, Somboon; Hu, Jia; Zhang, Yongxing; Díaz Velázquez, Heriberto; Yuan, Ye; Verpoort, Francis; Macario, Anastasia
- Abstract
With the aim of profitable conversion of carbon dioxide (CO2) in an efficient, economical, and sustainable manner, we developed a CuBr/ionic liquid (1-butyl-3-methylimidazolium acetate) catalytic system that could efficiently catalyze the three-component reactions of propargylic alcohols, 2-aminoethanols, and CO2 to produce 2-oxazolidinones and α-hydroxy ketones. Remarkably, this catalytic system employed lower metal loading (0.0125–0.5 mol%) but exhibited the highest turnover number (2960) ever reported, demonstrating its excellent activity and sustainability. Moreover, our catalytic system could efficiently work under 1 atm of CO2 pressure and recycle among the metal-catalyzed systems.
- Subjects
AMMONIUM acetate; CARBON dioxide; IONIC liquids; TURNOVER frequency (Catalysis); ALCOHOL; KETONES
- Publication
Catalysts (2073-4344), 2021, Vol 11, Issue 2, p233
- ISSN
2073-4344
- Publication type
Article
- DOI
10.3390/catal11020233