Synthesis of Arylmethylenemalononitriles Catalyzed by KF–Al2O3 under Ultrasound

Ji-Tai Li; Guo-Feng Chen; Shu-Xiang Wang; Lin He; Tong-Shuang Li

doi:10.1071/CH03308

RESEARCH ARTICLE

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Synthesis of Arylmethylenemalononitriles Catalyzed by KF–Al₂O₃ under Ultrasound

Ji-Tai Li ^A ^B , Guo-Feng Chen ^A , Shu-Xiang Wang ^A , Lin He ^A and Tong-Shuang Li ^A

+ Author Affiliations

- Author Affiliations

^A College of Chemistry and Environmental Science, Hebei University, Key Laboratory of Analytical Science and Technology of Hebei Province, Baoding 071002, China.

^B Corresponding author. Email: orgsyn@mail.hbu.edu.cn

Australian Journal of Chemistry 58(3) 231-233 https://doi.org/10.1071/CH03308
Submitted: 15 June 2004 Accepted: 8 December 2004 Published: 15 March 2005

Abstract

Knoevenagel condensation of malononitrile with aromatic aldehydes catalyzed by KF–Al₂O₃ under ultrasound irradiation in anhydrous ethanol results in the formation of arylmethylenemalononitriles in 73–97% yields within 15–60 min.

Acknowledgment

The project was supported by the Educational Ministry of China and Natural Science Foundation of Hebei Province (203107), China.

References

Synthesis of Arylmethylenemalononitriles Catalyzed by KF–Al2O3 under Ultrasound

Abstract

Acknowledgment

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Synthesis of Arylmethylenemalononitriles Catalyzed by KF–Al₂O₃ under Ultrasound