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Suarez, Margarita ; Ruiz, Alberto ; Almagro, Luis ; Coro, Julieta ; Maroto, Enrique E. ; Filippone, Salvatore ; Molero, Dolores ; Martínez-Alvarez, Roberto ; Martin León, Nazario | ACS | 2017-04-13The diastereoselective synthesis of cis and trans steroid-fulleropyrrolidines hybrids by reaction of N-metalated azomethine ylides [Cu(II) or Ag(I)] with the appropriate chiral ligand and C60 is described. The experimental findings reveal that t[...]texto impreso
Moreno García, Pavel ; La Rosa, Andrea ; Kolivoska, Viliam ; Bermejo, Daniel ; Hong, Wenjing ; Yoshida, Koji ; Baghernejad, Masoud ; Filippone, Salvatore ; Broekmann, Peter ; Wandlowski, Thomas ; Martín, Nazario | ACS | 2015-01Single molecule charge transport characteristics of buckminsterfullerene-capped symmetric fluorene-based dumbbell-type compound 1 were investigated by scanning tunneling microscopy break junction (STM-BJ), current sensing atomic force microscopy[...]texto impreso
Maroto, Enrique ; Izquierdo Barroso, Marta ; Reboredo Angulo, Silvia ; Marco Martínez, Juan ; Filippone, Salvatore ; Martín, Nazario | ACS | 2014-08Fullerenes are among the most studied molecules during the last three decades and, therefore, a huge number of chemical reactions have been tested on these new carbon allotropes. However, the aim of most of the reactions carried out on fullerene[...]texto impreso
Maroto, Enrique E. ; Izquierdo, Marta ; Reboredo, Silvia ; Marco-Martínez, Juan ; Filippone, Salvatore ; Martín, Nazario | ACS | 2014Fullerenes are among the most studied molecules during the last three decades, and therefore, a huge number of chemical reactions have been tested on these new carbon allotropes. However, the aim of most of the reactions carried out on fullerene[...]texto impreso
Fernández García, Jesús M. ; Evans, Paul J. ; Filippone, Salvatore ; Herranz, M.Angeles ; Martín, Nazario | American Chemical Society | 2019-06Chirality is a fascinating property present in naturally occurring and artificial molecules and materials, observable as chiroptical behavior. The emerging area of carbon nanostructures has undergone tremendous development, with a wide variety o[...]texto impreso
Reboredo, Silvia ; Girón, Rosa M. ; Filippone, Salvatore ; Mikie, Tsubasa ; Sakurai, Tsuneaki ; Seki, Shu ; Martín, Nazario | Wiley | 2016-09Cyclobuteno[3,4:1,2][60]fullerenes have been prepared in a straightforward manner by a simple reaction between [60]fullerene and readily available allenoates or alkynoates as organic reagents under basic and mild conditions. The chemical structu[...]texto impreso
Vidal, Sara ; Izquierdo, Marta ; Alom, Shamim ; García-Borrás, Marc ; Filippone, Salvatore ; Osuna, Silvia ; Solà, Miquel ; Whitby, Richard J. ; Martin León, Nazario | RSC | 2017-10-14The first chemical modification on the brand new endohedral HF@C60 is reported. In particular, the isomerization from optically pure (2S,5S)-cis-pyrrolidino[3,4:1,2][60]fullerene 2b to (2S,5R)-trans-pyrrolidino[3,4:1,2][60]fullerene 2b has been [...]texto impreso
Maroto, Enrique ; Mateos, Jaime ; García Borràs, Marc ; Osuna, Silvia ; Filippone, Salvatore ; Herranz, M.Angeles ; Murata, Yasujiro ; Solà, Miquel ; Martín, Nazario | ACS | 2015-01The 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 p[...]texto impreso
[60]Fullerene hybrids have succesfully been used as catalysts in hydrogen transfer reactions, namely ketones reduction and Nalkylation with alcoholes. Due to the poor solubility in polar solvent, these hybrids behave as homogeneous/heterogeneous[...]texto impreso
Vidal, Sara ; Izquierdo, Marta ; Kit Law, Wai ; Jiang, Kui ; Filippone, Salvatore ; Perles, Josefina ; Yan, He ; Martín, Nazario | RSC | 2016Methanofullerenes such as the well-known [70]PCBM are commonly synthesized under harsh conditions to obtain the product as a mixture of site-isomers (namely a, b and minor c) due to the D5h symmetry of the C70 cage. We report the first site-sele[...]texto impreso
Vidal, Sara ; Izquierdo, Marta ; Filippone, Salvatore ; Brunetti, Fulvio G. ; Martín, Nazario | RSC | 2015The synthesis of a variety of PCBM-type [5,6]-fulleroids and their further highly selective photoisomerization to the respective [6,6]-methanofullerenes is presented. Interestingly, the chemical reactivity of [5,6]-fulleroids reveals the same tr[...]texto impreso
Marco Martínez, Juan ; Vidal, Sara ; Fernández, Israel ; Filippone, Salvatore ; Martín, Nazario | Wiley Online Library | 2017-02-13Chiral fullerene–metal hybrids with complete control over the four stereogenic centers, including the absolute configuration of the metal atom, have been synthesized for the first time. The stereochemistry of the four chiral centers formed durin[...]texto impreso
Girón, Rosa María ; Martínez, Juan Marco ; Bellani, Sabastiano ; Insuasty, Alberto ; Comas Rojas, Hansel ; Antognazza, María Rosa ; Filippone, Salvatore ; Martín, Nazario | RSC | 2016-08-15In the search for carbon based catalysts for Oxygen Reduction Reactions (ORR), two different classes of fullerene hybrids and metal free fullerene derivatives have been prepared by highly selective metal- and organo-catalyzed synthetic methods. [...]
