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Improved synthesis of chalconoid-like compounds under ultrasound irradiation
Authors:Jin Hong  Xiang Liyu  Wen Fang  Tao Ke  Liu Qian  Hou Taiping
Institution:

aKey Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, PR China

bKey Laboratory of Bio-Resource and Eco-environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610064, PR China

Abstract:Claisen–Schmidt condensation of various substituted acetophenones with cinnamaldehyde catalyzed by KF–Al2O3 results chalconoid-like compounds, (2E,4E)-1,5-diarylpenta-2,4-dien-1-ones, in 67–92% yields in 5–60 min under ultrasound irradiation.
Keywords:Ultrasound  Chalconoid-like compounds  Claisen–Schmidt condensation  Synthesis
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