title: Structural characterization and electrochemical properties of the 3,3'-5,5'-tetra-tert-butyl-4,4'-diphenoquinone.
abstract: Crystals of the 3,3'-5,5'-tetra-tert-butyl-4,4'-diphenoquinone (TTBDQ) in the reaction mixture DCM/MeOH (1:1, v/v) were obtained as a result of CC coupling reaction of the sterically hindered phenol (2,6-di-tert-butylphenol, DTBP) using the binuclear Co(II) complexes. The oxidation product (TTBDQ), C(28)H(40)O(2), crystallizes in the space group P1 with one-half molecule in the asymmetric unit and the other half generated by an inversion centre. The diphenoquinone moiety is planar within +/-0.016(3)A. The crystal structure is stabilized by intramolecular C-H...O hydrogen bonds. The spectroscopic and electrochemical properties of the TTBDQ also have been studied.
authors.affiliation: K.Maras Sütcü Imam University, Chemistry Department, Faculty of Science and Arts, 46100 K.Maras, Turkey. mtumer@ksu.edu.tr
authors.forename: Mehmet
authors.initials: M
authors.lastname: Tümer
authors.forename: Mehmet
authors.initials: M
authors.lastname: Aslantaş
authors.forename: Ertan
authors.initials: E
authors.lastname: Sahin
authors.forename: Nihal
authors.initials: N
authors.lastname: Deligönül
mesh_terms: D002384:Catalysis; D018360:Crystallography, X-Ray; D003512:Cyclohexanones / Q000737:chemistry*; D004563:Electrochemistry; D006860:Hydrogen Bonding; D008670:Metals / Q000737:chemistry; D008958:Models, Molecular; D010084:Oxidation-Reduction; D010636:Phenols / Q000737:chemistry