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Updated: Aug 25, 2025

Versatile CO2 Transformations into Complex Products: A One-pot Two-step Strategy
Published on: November 9, 2019
Recyclable GO-Arginine Hybrids for CO2 Fixation into Cyclic Carbonates
Angela Pintus1, Sebastiano Mantovani1, Alessandro Kovtun1
1Istituto per la Sintesi Organica e Fotoreattività (ISOF)-CNR, via Gobetti 101, 40129, Bologna, Italy.
Abstract:
New covalently modified GO-guanidine materials have been realized in a gram-scale synthesis and purified by an innovative microfiltration. The use of these composites in the fixation of CO2 into cyclic carbonates is demonstrated. Mild operating conditions, high yields (up to 85 %), wide scope (15 examples) and recoverability/reusability (up to 5 cycles) of the material account for the efficiency of the protocol. Dedicated control experiments shed light on the activation modes exerted by GO-l-arginine during the ring-opening/closing synthetic sequence.
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