In the first part of this paper, three new ligands with bis(8-hydroxyquinoline) which were substituted by methoxy, butoxy and octoxy were synthesized by Witting-Horner reaction.

自从1987年C.W.Tang等人报道了以8-羟铝（Alq3）为层制备的高亮度电致器件以来，有机金属配合物及其器件加工工艺成为有机电致领域的一个研究热点。