Fernández García, Jesús ManuelEvans, PaulMedina Rivero, SamaraFernández López, IsraelGarcía Fresnadillo, DavidPerles Hernáez, JosefinaCasado, JuanMartín León, Nazario2024-01-152024-01-152018'Fernández-García JM, Evans Paul J, Medina Rivero S. Fernández I, García-Fresnadillo D, Perles J, Casado J, Martín N. π-Extended Corannulene-Based Nanographenes: Selective Formation of Negative Curvature. J Am Chem Soc. 2018 Dec 12;140(49):17188-96'.0002-786310.1021/jacs.8b09992https://hdl.handle.net/20.500.14352/93146A geometrically selective bottom-up synthesis of curved nanographenes is described. The synthetic methodology used involves the extension of the π-system of positively curved corannulene by a [4+2] cycloaddition reaction followed by cyclodehydrogenation (Scholl oxidation). By selecting the conditions for the Scholl oxidation, the formation of a sevenmembered ring that also confers negative curvature to the resulting nanographene can be activated, offering two topologically distinct, curved nanographenes from a common precursor. Additionally, the structure−property relationship in these new nanographenes is explored via theoretical, electrochemical, photophysical, Raman, and X-ray crystallographic studies.engAttribution-NonCommercial-NoDerivatives 4.0 Internationalhttp://creativecommons.org/licenses/by-nc-nd/4.0/journal article1520-5126https://pubs.acs.org/doi/10.1021/jacs.8b09992restricted access547. 53NanographeneNegative curvatureCurved nanographeneScholl oxidationQuímica orgánica (Química)2306.07 Química del Carbono