Journal
JOURNAL OF CO2 UTILIZATION
Volume 54, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jcou.2021.101782
Keywords
Carbon dioxide; Lactam; Carbamate; Carbon capture and use; Green alternative to phosgene and; chloroformate
Funding
- Interreg NWE
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A clean, safe, and efficient method for the N-carboxyalkylation of lactams has been developed in this study, offering a green alternative to traditional methods. This method allows for the protection of cyclic amides and other functional groups, as well as the obtention of non-classical N-carboxyalkyl derivatives. The use of car diesel engine emissions in the model reaction highlights the potential for new perspectives in carbon capture and use solutions.
A clean, safe, and efficient method for the N-carboxyalkylation of lactams was designed and studied in the current report. This three-component coupling of the substrate, carbon dioxide and an alkyl halide, has been developed as a green alternative to phosgene and chloroformates, and takes place at ambient temperature and low pressure of CO2. This provided an improved protocol for the protection of cyclic amides and other functional groups and allowed the obtention of non-classical N-carboxyalkyl derivatives for which the corresponding chloroformates are not accessible or commercially available. The model reaction was successfully performed with car diesel engine emissions and opens the way for new perspectives of carbon capture and use solutions.
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