Efficient catalytic conversion of CO2 to quinazoline-2,4(1H,3H)-diones by a dual-site anion-functionalized ionic liquid: reconsidering the mechanism

Chem. Commun., 2023, 59,12282-12285
DOI: 10.1039/D3CC03956K, Communication
Tingting Chen, Yujun Guo, Yingjie Xu
[P4442]2[Hy] can simultaneously activate CO2 and 2-aminobenzonitrile due to the two N sites. The H-bond site of [Hy]2− with 2-aminobenzonitrile is confirmed to be –NH2, and the key reaction intermediate is proposed and the mechanism is reconsidered.
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