Is the DBU–CO2 adduct stable in ionic liquid media?

Giovanni Rodrigues Morselli; Frederik Philippi; Pedro Henrique de Paula Sabanay; Reinaldo Camino Bazito; Margarida Costa Gomes; Rômulo Augusto Ando

doi:10.1039/D5CP00899A

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Is the DBU–CO₂ adduct stable in ionic liquid media?†

Giovanni Rodrigues Morselli,

^a Frederik Philippi,

^b Pedro Henrique de Paula Sabanay,^a Reinaldo Camino Bazito,^a Margarida Costa Gomes

^b and Rômulo Augusto Ando

*^a

Author affiliations

* Corresponding authors

^a Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo, São Paulo 05508-900, Brazil
E-mail: raando@iq.usp.br

^b Laboratoire de Chimie, ENS de Lyon and CNRS, Lyon 69364, France

Abstract

The DBU–CO₂ adduct was characterized for the first time by ¹³C NMR with labelled ¹³CO₂ and IR spectroscopy. Theoretical calculations were crucial to determine that the adduct is stable in ionic liquid medium in the presence of water. These findings provide new insights into superbase–CO₂ interactions, unveiling a new potential route to CO₂ activation.

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Article information

DOI: https://doi.org/10.1039/D5CP00899A
Article type: Communication
Submitted: 06 Mar 2025
Accepted: 13 Apr 2025
First published: 15 Apr 2025

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Phys. Chem. Chem. Phys., 2025,27, 8680-8683

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Is the DBU–CO₂ adduct stable in ionic liquid media?

G. R. Morselli, F. Philippi, P. H. D. P. Sabanay, R. C. Bazito, M. Costa Gomes and R. A. Ando, Phys. Chem. Chem. Phys., 2025, 27, 8680 DOI: 10.1039/D5CP00899A

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