NOVELTY - 1,3,5-Benzene derivative and corresponding radical-anion and radical-cation, is new.    USE - In electronic devices and components selected from organic light-emitting diodes (OLEDS), organic semiconductors, field-effects transistors (OFETS), molecular rectifiers, lasers, organic photovoltaic devices, computational systems on a molecular basis, negative differential resistance semiconductors, molecular magnets, organic spin valves, solar cells, electrochromic and thermochromic materials, and electronic components and devices on a molecular scale, and for hydrogen (H2) gas sensors, spintronics, chemical sensors and metamaterials useful for the production, transmission and detection of electromagnetic frequencies also in the far infrared field, and in industrial manufacture of metamaterials; and as negative charge (electrons) or positive charge (holes) transporting materials, as guest materials in electronic devices, active means in photovoltaic devices and electroluminescent devices including lasers, and as charge-transporting materials in electroluminescent devices, transistors, photovoltaic devices, and telecommunication devices (all claimed).    ADVANTAGE - The compound in its neutral form forms good amorphous films with elevated glass transition temperature and favors a stable operating condition inside the electronic device in the long run when used.    DETAILED DESCRIPTION - 1,3,5-Benzene derivative and corresponding radical-anion and radical-cation of formula (I), is new.    Z'=C=O, CONH, CONR, CONAr1;    m=greater than 0 (preferably 1);    A1=radicals of biphenylene, carbazole, fluoranthene, fluorene, dibenzothiophene, dibenzofurane, fluorenone, bifluorenylidene, triphenylene, cyclooctatetraene, dibenzocyclooctatetraene, coronene, acenaphthylene, triptycene, azulene, benzo(ghi)fluoranthene, 2-phenyl-1,3,4-oxadiazole or anthracene;    Ar1=aromatic group (optionally condensed, optionally containing heteroatoms, and optionally substituted by halo or aliphatic chains R1);    R1=R;    R=1-20C alkyl, 1-20C oxyalkyl, 1-20C alkenyl, 1-20C alkynyl (all optionally substituted by halo) (preferably 1-7C, more preferably 1-4C), Ar1 group, O-Ar1 or COOAr1;    Y'=core of formula (i) (optionally substituted);and    E'=carbon or heteroatom chosen from O, S, N or P (optionally substituted or a single link).    Provided that: the A1 group does not carry arylamine and Y' substituents. INDEPENDENT CLAIMS are included for the following:    (1) preparation of compound (I); and    (2) electrochemical method for synthesizing the radical anions corresponding to the compound (I) involving adding the compound (I) to be transformed into radical anions, at a concentration of 0.01 M to 1 mM (preferably 0.01 M to 0.5 mM, more preferably 1 mM) to an anhydrous aprotic solvent containing a supporting electrolyte and anhydrous to obtain a concentration of the latter ranging between 1-0.01 (preferably 0.2-0.05, more preferably 0.1) M, and placing the mixture in an electrolytic cell and applying voltage between the electrodes to obtain the desired radical anion.