title: Bis- and Tris-fused Tetrathiafulvalenes Extended with Anthracene-9,10-diylidene.
abstract: Bis- and tris-fused π-electron donors composed of extended tetrathiafulvalene with anthraquinoid spacers (4 and 5) were successfully synthesized. X-ray structure analysis of tetrakis(methylthio)-5 (5a) revealed that the molecule adopted a transoid-cisoid conformation. The cyclic voltammogram of 4a is composed of two pairs of two-electron redox waves, while the cyclic voltammogram of tetrakis(hexylthio) derivative 5b consists of one pair of four-electron redox waves and one pair of two-electron redox waves, respectively. Spectroelectrochemistry of 4a and1H NMR spectrum of a 4b salt revealed that two positive charges in 42+are distributed mainly on one TTFAQ (9,10-bis(1,3-dithiol-2-ylidene)-9,10-dihydroanthracene) moiety.
authors.affiliation: Department of Applied Chemistry, Graduate School of Engineering, Ehime University , 3 Bunkyo-cho, Matsuyama, Ehime 790-8577, Japan.
authors.forename: Daisuke
authors.initials: D
authors.lastname: Ogi
authors.affiliation: Department of Applied Chemistry, Graduate School of Engineering, Ehime University , 3 Bunkyo-cho, Matsuyama, Ehime 790-8577, Japan.
authors.forename: Yusuke
authors.initials: Y
authors.lastname: Fujita
authors.affiliation: Advanced Research Support Center, Ehime University , 2-5 Bunkyo-cho, Matsuyama, Ehime 790-8577, Japan.|Research Unit for Power Generation and Storage Materials, Ehime University , Matsuyama, Ehime 790-8577, Japan.
authors.forename: Shigeki
authors.initials: S
authors.lastname: Mori
authors.affiliation: Department of Applied Chemistry, Graduate School of Engineering, Ehime University , 3 Bunkyo-cho, Matsuyama, Ehime 790-8577, Japan.|Research Unit for Power Generation and Storage Materials, Ehime University , Matsuyama, Ehime 790-8577, Japan.
authors.forename: Takashi
authors.initials: T
authors.lastname: Shirahata
authors.affiliation: Department of Applied Chemistry, Graduate School of Engineering, Ehime University , 3 Bunkyo-cho, Matsuyama, Ehime 790-8577, Japan.|Research Unit for Power Generation and Storage Materials, Ehime University , Matsuyama, Ehime 790-8577, Japan.
authors.forename: Yohji
authors.initials: Y
authors.lastname: Misaki