216-00-2Relevant articles and documents
Segregation of Charge in Ions of Dibenzonaphthacene: Relation of Topology and Electronic Structure. An NMR, ESR, and ENDOR Study
Cohen, Yoram,Fraenkel, Yigal,Rabinovitz, Mordecai,Felder, Patrick,Gerson, Fabian
, p. 2048 - 2057 (1990)
1H- and 13C-chemical shifts of the dianion of dibenzonaphthacene (1) have unambiguously been assigned by 2D-NMR spectroscopy.They indicate a remarkable charge distribution, as most of the negative charge is localized on the 'anthracenic' moiety, whil
Benzannulated Isobenzofurans
Moursounidis, John,Wege, Dieter
, p. 235 - 249 (2007/10/02)
A number of arynes, generated by treatment of haloarenes with sodium or potassium amide in tetrahydrofuran, were trapped with furan.The resulting dihydro epoxy arenes were converted into the following annulated isobenzofuran derivatives by using reverse Diels-Alder methodology: naphthofuran, phenanthrofuran, pyrenofuran, pyrenofuran, anthrafuran, phenanthrofuran and phenathrofuran.Bimolecular rate constants for the addition of maleic anhydride to these furans were measured, and were correlated with the Herndon structure count.Addition of arynes to selected members of this furan series yielded adducts which were deoxygenated to afford polycyclic aromatic hydrocarbons.