title: Preparation, characterization, and FET properties of novel dicyanopyrazinoquinoxaline derivatives.
abstract: [structure: see text] A series of the title dicyanopyrazinoquinoxaline derivatives have been prepared and characterized by using single-crystal X-ray structure analysis and redox potential measurements. They have strong electron-accepting properties due to the pyrazinopyrazine skeletons as well as the cyano groups. Substituents can be easily introduced at the benzene ring and control the HOMO-LUMO energy gap and the molecular packing. They show clear n-type transistor properties in the FET devices.
authors.affiliation: Department of Electronic Chemistry, Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology, Nagatsuta, Midori-ku, Yokohama 226-8502, Japan.
authors.forename: Jun-ichi
authors.initials: J
authors.lastname: Nishida
authors.forename: Naraso
authors.initials: N
authors.lastname: Naraso
authors.forename: Shio
authors.initials: S
authors.lastname: Murai
authors.forename: Eiichi
authors.initials: E
authors.lastname: Fujiwara
authors.forename: Hirokazu
authors.initials: H
authors.lastname: Tada
authors.forename: Masaaki
authors.initials: M
authors.lastname: Tomura
authors.forename: Yoshiro
authors.initials: Y
authors.lastname: Yamashita
mesh_terms: D008956:Models, Chemical; D015394:Molecular Structure; D009570:Nitriles / Q000737:chemistry; D011719:Pyrazines / Q000737:chemistry*; D011810:Quinoxalines / Q000138:chemical synthesis* / Q000737:chemistry*
chemical_list: D009570:Nitriles; D011719:Pyrazines; D011810:Quinoxalines