Bie Guo-jun
2007
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Journal
Chinese Journal of Synthetic Chemistry
Abstract
A novel route is devised to synthesize the red emitter of 4-(dicyanomethylene)-2-methyl-6-[p-(dimethylamino)-styryl]-4H-pyran(DCM) which is used in organic electroluminescent devices.Ethyl phenylacrylate intermediate bringing a double bond was introduced first,which is subsequently transformed into triketone and then DCM was obtained with high purity.