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Ultrasound-Assisted Synthesis Of Arylmethylenemalononitriles In Aqueous Media

Jian-Long Du, Li-Jun Li, Ya-Hui Yin

Knoevenagel condensation of malononitrile with aromatic aldehydes under ultrasound irradiation in water results in the formation of the arylmethylenemalononitriles in high yields within 80 min, without addition any catalyst.