Synthesis and optical properties of novel,thermally stable phenanthrolines bearing an arylthienyl-imidazo conjugation pathway

摘要

Six new hyperpolarizable chromophores based on functionalized arylthiophene donors and an imidazo-phenanthroline acceptor moiety have been designed and synthesized for the first time in good to excellent yields by condensation of 5,6-phenantroline-dione with formyl-arylthiophene derivatives in the presence of ammonium acetate in glacial acetic acid.The thermal stability,solvatochromic and nonlinear optical properties of these compounds were evaluated.