Dibenzo[cde,opq]rubicene has been synthesized by an eight-step reaction sequence including an iron-mediated [2+2+1] cycloaddition and a flash vacuum pyrolysis as key steps. Two crystal modifications of the S-shaped, planar polycyclic aromatic hydrocarbon have been obtained and characterized by X-ray diffractometry.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6899531PMC
http://dx.doi.org/10.1002/chem.201902915DOI Listing

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