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艺成为有机电致光领域的一个研究热点。