In organic chemistry, helicenes are ortho-condensed polycyclic aromatic compounds in which benzene rings or other aromatics are angularly annulated to give helically-shaped chiral molecules.[1] The chemistry of helicenes has attracted continuing attention because of their unique structural, spectral, and optical features.[2][3][4][5][6][7][8]
- ^ IUPAC, Compendium of Chemical Terminology, 2nd ed. (the "Gold Book") (1997). Online corrected version: (2006–) "helicenes". doi:10.1351/goldbook.H02762
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