3-[1-Anthracen-9-yl-meth-(E)-ylidene]-2-[1-anthracen-9-yl-meth-(Z)-ylidene]-5,5-dicyano-4-hydroxy-pent-4-enoic acid; compound with diethyl-amine 在
乙酰氯 作用下,
以
二氯甲烷 为溶剂,
以40%的产率得到3Z,4E-3,4-bis(9-anthrylmethylene)-5-dicyanomethylenetetrahydrofuran-2-one