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Enantiospecific cis-trans isomerization in chiral fulleropyrrolidines : Hydrogen-bonding assistance in the carbanion stabilization in H2O@C60

The stereochemical outcome of cis-trans isomerization of optically pure [60], [70], and endohedral H2O@C60 fulleropyrrolidines reveals that the electronic nature of substituents, fullerene size, and surprisingly the incarcerated water molecule plays a crucial role in this rearrangement process. Theoretical DFT calculations are in very good agreement with the experimental fi ndings. On the basis of the experimental results and computational calculations, a plausible reaction mechanism involving the hydrogen-bonding assistance of the inner water molecule in the carbanion stabilization of endofullerene is proposed

Financial support by the European Research Council (ERC-320441-Chirallcarbon and FP7-PEOPLE-2013-CIG-630978 to S.O.), the Ministerio de Economia y Competitividad (MINECO) of Spain (projects CTQ2011-24652/BQU and CTQ2011-23156/BQU, JdlC contract to S.O, and AP2010-2517 to M.G.-B.), the CAM (PHOTOCARBON project S2013/MIT-2841), the Generalitat de Catalunya (project number 2014SGR931 and ICREA Academia 2009 to M.S.) is acknowledged. N.M. thanks to the Alexander von Humboldt Foundation

American Chemical Society (ACS)

Director: Ministerio de Ciencia e Innovación (Espanya)
Generalitat de Catalunya. Agència de Gestió d’Ajuts Universitaris i de Recerca
Autor: Maroto, Enrique E.
Mateos, Jaime
Garcia Borràs, Marc
Osuna Oliveras, Sílvia
Filippone, Salvatore
Herranz, María Ángeles
Murata, Yasujiro
Solà i Puig, Miquel
Martín, Nazario
Resum: The stereochemical outcome of cis-trans isomerization of optically pure [60], [70], and endohedral H2O@C60 fulleropyrrolidines reveals that the electronic nature of substituents, fullerene size, and surprisingly the incarcerated water molecule plays a crucial role in this rearrangement process. Theoretical DFT calculations are in very good agreement with the experimental fi ndings. On the basis of the experimental results and computational calculations, a plausible reaction mechanism involving the hydrogen-bonding assistance of the inner water molecule in the carbanion stabilization of endofullerene is proposed
Financial support by the European Research Council (ERC-320441-Chirallcarbon and FP7-PEOPLE-2013-CIG-630978 to S.O.), the Ministerio de Economia y Competitividad (MINECO) of Spain (projects CTQ2011-24652/BQU and CTQ2011-23156/BQU, JdlC contract to S.O, and AP2010-2517 to M.G.-B.), the CAM (PHOTOCARBON project S2013/MIT-2841), the Generalitat de Catalunya (project number 2014SGR931 and ICREA Academia 2009 to M.S.) is acknowledged. N.M. thanks to the Alexander von Humboldt Foundation
Accés al document: http://hdl.handle.net/2072/295642
Llenguatge: eng
Editor: American Chemical Society (ACS)
Drets: Tots els drets reservats
Matèria: Ful·lerens
Fullerenes
Isomerització
Isomerization
Títol: Enantiospecific cis-trans isomerization in chiral fulleropyrrolidines : Hydrogen-bonding assistance in the carbanion stabilization in H2O@C60
Tipus: info:eu-repo/semantics/article
Repositori: Recercat

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