title: Fast synthesis of benzofluorenes by selenium-mediated carbocyclizations.
abstract: When one ring is not enough: A new double cyclization of stilbene derivatives results in benzo[b]fluorenes via dihydronaphthalenes. The presence of a selenium electrophile and a Lewis acid are crucial for the formation of the C-C bonds.
authors.affiliation: School of Chemistry, Cardiff University, Park Place, Cardiff CF10 3AT, UK.
authors.forename: Sohail A
authors.initials: SA
authors.lastname: Shahzad
authors.forename: Thomas
authors.initials: T
authors.lastname: Wirth