Ultrasound-assisted dehydrogenation of 5-acetyl-3,4-dihydropyrimidin-2(1H)-ones

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• 作者：Hamid Reza Memarian ; Asadollah Farhadi ; Hassan Sabzyan
• 关键词：3 ; 4-Dihydropyrimidin-2(1H)-ones ; Dehydrogenation ; Pyrimidin-2(1H)-ones ; Potassium peroxydisulfate ; Ultrasound
• 刊名：Ultrasonics Sonochemistry
• 出版年：2010
• 出版时间：March 2010
• 年：2010
• 卷：17
• 期：3
• 页码：579-586
• 全文大小：427 K

文摘

In this study, various 5-acetyl-3,4-dihydropyrimidin-2(1H)-ones were synthesized and the dehydrogenation of these compounds by potassium peroxydisulfate in aqueous acetonitrile under thermal and sono-thermal conditions were investigated. Whereas the effect of the nature of 4-substituent influences the rate of reaction, the application of sonic waves decreases drastically the time of thermal reaction.