dc.contributor.author |
Miceli, Claudia |
dc.contributor.author |
Rintjema, Jeroen |
dc.contributor.author |
Martin, Eddy |
dc.contributor.author |
Escudero-Adán, Eduardo C. |
dc.contributor.author |
Zonta, Cristiano |
dc.contributor.author |
Licini, Giulia |
dc.contributor.author |
Kleij, Arjan W. |
dc.date.accessioned |
2019-05-22T13:03:17Z |
dc.date.available |
2019-05-22T13:03:17Z |
dc.date.issued |
2017-02-16 |
dc.identifier.uri |
http://hdl.handle.net/2072/356047 |
dc.format.extent |
2367 p. |
dc.language.iso |
eng |
dc.rights |
L'accés als continguts d'aquest document queda condicionat a l'acceptació de les condicions d'ús establertes per la següent llicència Creative Commons:http://creativecommons.org/licenses/by-nc-nd/4.0/ |
dc.source |
RECERCAT (Dipòsit de la Recerca de Catalunya) |
dc.subject.other |
54 |
dc.title |
Vanadium(V) Catalysts with High Activity for the Coupling of Epoxides and CO2: Characterization of a Putative Catalytic Intermediate |
dc.type |
info:eu-repo/semantics/article |
dc.type |
info:eu-repo/semantics/acceptedVersion |
dc.embargo.terms |
12 mesos |
dc.identifier.doi |
10.1021/acscatal.7b00109 |
dc.rights.accessLevel |
info:eu-repo/semantics/openAccess |
dc.description.abstract |
Vanadium(V) complexes derived from aminotriphenolate ligands are
demonstrated to be highly active catalysts for the coupling of various terminal and internal epoxides with carbon dioxide to afford a series of substituted organic carbonates in good yields. Intriguingly, a V(V) complex bearing peripheral chloride groups on the ligand framework allowed for the formation and isolation of a rare complex that incorporates a ring-opened epoxide with one of the phenolateO atoms acting as a nucleophile and the metal center as a Lewis acidic site. This unusual structure was characterized by X-ray diffraction and 51V-NMR, and was shown to exhibit catalytic activity for the coupling of propylene oxide and CO2 when combined post-synthetically with these substrates. The results obtained herein clearly show that vanadium complexes in a high oxidation state are powerful catalysts for the activation of challenging internal epoxides, and their conversion into cyclic organic carbonates. |