Beilstein J. Org. Chem.2020,16, 791–797, doi:10.3762/bjoc.16.72
an efficient method to develop π-extended aromatic hydrocarbons with cyclopenta moieties.
Keywords: alkyne annulation; cyclopenta-fusedpolycyclicaromatichydrocarbons; nonplanarity; peropyrene; regioselectivity; Introduction
Significant efforts have been recently devoted to the synthesis of
nonalternant cyclopenta-fusedpolycyclicaromatichydrocarbons (CP-PAHs), which represent the topological subunits of fullerenes and exhibit high chemical, physical and biological activities [1][2][3][4][5][6][7][8][9][10]. Thanks to development in organic synthetic methodology, CP-PAHs with peripheral
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Graphical Abstract
Scheme 1:
Chemical structures of dicyclopenta-fused pyrene derivatives i–iii, peropyrene and the dicyclopenta...