title: Arylmercapto Substituted Tetraazaperopyrene Derivatives and Their Oxidation to Tetrasulfones: Photophysics and Electrochemistry.
abstract: Fourfold arylmercapto substituted tetraazaperopyrene (TAPP) derivatives were obtained by direct nucleophilic substitution of the tetrabrominated TAPP or via Cu-catalyzed S-C coupling. These new materials display a characteristic bathochromic shift of their visible absorption and emission bands by ca. 200 nm compared to the unsubstituted parent compound. Two of the sulfide derivatives were oxidized with periodate to give their corresponding sulfones.
authors.affiliation: Anorganisch-Chemisches Institut, Universität Heidelberg , Im Neuenheimer Feld 270, 69120 Heidelberg, Germany.
authors.forename: Susanne
authors.initials: S
authors.lastname: Langbein
authors.affiliation: Anorganisch-Chemisches Institut, Universität Heidelberg , Im Neuenheimer Feld 270, 69120 Heidelberg, Germany.
authors.forename: Hubert
authors.initials: H
authors.lastname: Wadepohl
authors.affiliation: Anorganisch-Chemisches Institut, Universität Heidelberg , Im Neuenheimer Feld 270, 69120 Heidelberg, Germany.
authors.forename: Lutz H
authors.initials: LH
authors.lastname: Gade