The synthesis of polycyano-anions, conjugated with an aryl substituent via an ethylene fragment, by the Knoevenagel condensation reaction of aromatic aldehydes with the malononitrile trimer potassium salt is described.

中文翻译：

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芳香环共轭多氰基阴离子的合成

描述了通过芳族醛与丙二腈三聚钾盐的Knoevenagel缩合反应，通过乙烯片段与芳基取代基共轭的多氰基阴离子的合成。