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设计全新的路线合成了红光材料4-(二腈亚甲叉)-2-甲基-6-(4-二甲胺基-苯乙烯)-4H-吡喃(DCM)。采用具有烯烃骨架的β-苯基丙烯酸酯为中间体先引入双键,再经过三酮合环制备乙烯基吡喃。
A new route was designed to synthesize 4- (dinitrile, methyleneidene) -2-methyl-6- (4-dimethylamino-styrene) -4H-pyran (DCM). Adopting β-phenylacrylate with olefin skeleton as the intermediate to introduce the double bond and then through the triketone ring to prepare the vinyl pyran.