Fast carbon dioxide-epoxide cycloaddition catalyzed by metal and metal-free ionic liquids for designing non-isocyanate polyurethanes

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389013%3A_____%2F24%3A00586014" target="_blank" >RIV/61389013:_____/24:00586014 - isvavai.cz</a>
Alternative codes found
RIV/61388980:_____/24:00586014 RIV/00216275:25310/24:39921780 RIV/00216208:11310/24:10497468 RIV/60461373:22340/24:43930420
Result on the web
<a href="https://pubs.rsc.org/en/content/articlelanding/2024/ma/d3ma00852e" target="_blank" >https://pubs.rsc.org/en/content/articlelanding/2024/ma/d3ma00852e</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1039/D3MA00852E" target="_blank" >10.1039/D3MA00852E</a>

Result language
angličtina
Original language name
Fast carbon dioxide-epoxide cycloaddition catalyzed by metal and metal-free ionic liquids for designing non-isocyanate polyurethanes
Original language description
The recycling of industrially produced greenhouse gases, such as CO2, into high-value-added chemicals is one of the most relevant strategies for reaching climate targets. Herein, we present a two-step strategy for how to efficiently convert renewable carbon dioxide (CO2) into β-hydroxyurethanes using imidazolium ionic liquids (ILs) bearing metal ([ZnCl4]2− and [CoCl4]2−) or Cl− IL-anions as all-in-one catalysts. The first step involves the rapid (1 h) conversion of phenyl glycidyl ether using ILs and supercritical carbon dioxide (7.7 MPa, 80 °C) to cyclic carbonates in high yield (98%). The DFT calculations suggested a comprehensive mechanistic pathway for the IL-catalyzed CO2-epoxy reaction showing a rate-determining step of the initial epoxide ring opening and the direct participation of IL-anions. Moreover, the applied ILs are also able to catalyze the subsequent reaction of the formed cyclic carbonates with butylamine resulting in fast formation of β-hydroxyurethanes. Thus, the present concept seems to be a promising strategy for designing non-isocyanate polyurethanes (NIPUs).
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10404 - Polymer science

Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2024
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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