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1987C.W.Tang人报道了以8-羟基喹啉铝（Alq3）为光层制备的高亮度电致光器件以来，有机金属配合物光材料及其器件加为有机电致光领域的一个研究热点。