Green synthesis of 2‐oxazolidinones by an efficient and recyclable cubr/ionic liquid system via co2, propargylic alcohols and 2‐aminoethanols

Chao Bu, Yanyan Gong, Minchen Du, Cheng Chen, Somboon Chaemchuen, Jia Hu, Yongxing Zhang, Heriberto Díaz Velázquez, Ye Yuan, Francis Verpoort

Research output: Contribution to journalArticlepeer-review

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.

Original languageEnglish
Article number233
Pages (from-to)1-15
Number of pages15
JournalCatalysts
Volume11
Issue number2
DOIs
Publication statusPublished - Feb 2021

Keywords

  • Carbon dioxide chemistry
  • Copper catalysis
  • Cyclization
  • Multicomponent reaction
  • Synthetic methods

ASJC Scopus subject areas

  • Catalysis
  • Physical and Theoretical Chemistry

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