Amidinate Aluminium Complexes as Catalysts for Carbon Dioxide Fixation into Cyclic Carbonates

Danay Osorio Meléndez, Agustín Lara-Sánchez, Javier Martínez, Xiao Wu, Antonio Otero, José A. Castro-Osma*, Michael North, René S. Rojas

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


A series of inexpensive and sustainable amidinate aluminium complexes has been developed as catalysts for the chemical fixation of carbon dioxide into cyclic carbonates. The reactions using terminal epoxides as substrates were carried out at room temperature and one bar of carbon dioxide pressure in the presence of tetrabutylammonium iodide as cocatalyst in the absence of solvent. Under these reaction conditions, excellent conversions and selectivities were achieved for a broad range of terminal epoxides. Moreover, the optimal catalyst could be used for the synthesis of disubstituted cyclic carbonates from internal epoxides and carbon dioxide, highlighting the potential of these amidinate aluminium complexes as catalysts.

Original languageEnglish
Early online date25 Mar 2018
Publication statusE-pub ahead of print - 25 Mar 2018

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  • Aluminium
  • Carbon dioxide
  • Cyclic carbonates
  • Epoxides
  • Sustainable catalysis

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