title: New unsymmetrically benzene-fused bis (tetrathiafulvalene): synthesis, characterization, electrochemical properties and electrical conductivity of their materials.
abstract: The synthesis of new unsymmetrically benzene-fused bis (tetrathiafulvalene) has been carried out by a cross-coupling reaction of the respective 4,5-dialkyl-1,3-dithiole-2-selenone 6-9 with 2-(4-(p-nitrophenyl)-1,3-dithiole-2-ylidene)-1,3,5,7-tetrathia-s-indacene-6-one 5 prepared by olefination of 4-(p-nitrophenyl)-1,3-dithiole-2-selenone 3 and 1,3,5,7-tetrathia-s-indacene-2,6-dione 4. The conversion of the nitro moiety 10a-d to amino 11a-d then dibenzylamine 12a-d groups respectively used reduction and alkylation methods. The electron donor ability of these new compounds has been measured by cyclic voltammetry (CV) technique. Charge transfer complexes with tetracyanoquino-dimethane (TCNQ) were prepared by chemical redox reactions. The complexes have been proven to give conducting materials.
authors.affiliation: Laboratory of Aquatic and Terrestrial Ecosystems, Organic and Bioorganic Chemistry Group, University of Mohammed Cherif Mesaadia, Souk Ahras 41000, Algeria. tahar.abbaz@yahoo.com.
authors.forename: Tahar
authors.initials: T
authors.lastname: Abbaz
authors.affiliation: Laboratory of Aquatic and Terrestrial Ecosystems, Organic and Bioorganic Chemistry Group, University of Mohammed Cherif Mesaadia, Souk Ahras 41000, Algeria. bendjeddouamel@gmail.com.
authors.forename: Amel
authors.initials: A
authors.lastname: Bendjeddou
authors.affiliation: Laboratory of Organic Materials and Heterochemistry, University of Tebessa, Constantine Road, Tebessa 12000, Algeria. akgouasmia@hotmail.com.
authors.forename: Abdelkrim
authors.initials: A
authors.lastname: Gouasmia
authors.affiliation: Laboratory of Molecular and Thio-Organic Chemistry, UMR CNRS 6507, INC3M, FR 3038, Labex EMC3, ENSICAEN & University of Caen, Caen 14050, France. didier.villemin@ensicaen.fr.
authors.forename: Didier
authors.initials: D
authors.lastname: Villemin
authors.affiliation: Department of Applied Chemistry, Graduate School of Science and Engineering, Ehine University, 3 Bunkyo-cho, Matsuyama, Ehine 790-8577, Japan. shirahata.takashi.mj@ehime-u.ac.jp.
authors.forename: Takashi
authors.initials: T
authors.lastname: Shirahata
mesh_terms: D001554:Benzene / Q000737:chemistry*; D004553:Electric Conductivity; D004563:Electrochemistry / Q000379:methods*; D006571:Heterocyclic Compounds / Q000138:chemical synthesis* / Q000737:chemistry*; D009682:Magnetic Resonance Spectroscopy; D008956:Models, Chemical; D015394:Molecular Structure
chemical_list: D006571:Heterocyclic Compounds; C063887:tetrathiafulvalene; D001554:Benzene