New polypyridino-anil derivs. from aromatic-diamine - useful, esp. after doping, as electrically conducting materials

摘要

Polypyridino anils of formulae (I) and (II) are new, where in formulae (I) and (II) R1=H, 1-24C alkyl or alkoxy, Cl, Br, CF3, NO2 or NR3R4; R3 and R4=1-6C alkyl; R2=p- or m-phenyline; a 10-30C fused aromatic ring system (III), (where in formula (III) R5=bond, S, O, NH, CH2, CH=CH, CO, SO, SO2 or SS1). X=ClO4, BF4, AsF6, SbF6, PF6, PtCl4 or R6-phenyl-SO3; R6=1-12C alkyl; n=1-100. Also new are their acid addn. salts with HX, or for (II) the salt with Fe(CN6)4(-) as counterion. USE/ADVANTAGE - (I) and (II) are electrically conductive materials when doped e.g. by anodic oxidn. in an electrolyte contg. a conductivity salt. They are also useful (not claimed) as sensors, opto-electronic switches or electrodes. Unlike polyanilines, (I) and (II) have well characterised structures and an extended pi-electron system, and are soluble in many organic solvents.