Sono-thermal oxidation of dihydropyrimidinones
Copyright policy )Sono-thermal oxidation of dihydropyrimidinones
Combination of ultrasound and heat has been used for the oxidation of some ethyl 3,4-dihydropyrimidin-2(1H)-one-5-carboxylates to their corresponding ethyl pyrimidin-2(1H)-one-5-carboxylates by using potassium peroxydisulfate in aqueous acetonitrile. An ultrasonic probe of 24 kHz frequency has been used for this study. Whereas the use of ultrasound increases the rate of reactions compared with reactions at reflux conditions, the nature of 4-substituent on the dihydropyrimidinone ring affects also the rate of reaction.
- University of Isfahan Iran (Islamic Republic of)
Spectrometry, Mass, Electrospray Ionization, Hot Temperature, Spectrophotometry, Infrared, Potassium Compounds, Sulfates, Indicators and Reagents, Spectrophotometry, Ultraviolet, Ultrasonics, Pyrimidinones, Oxidants, Oxidation-Reduction
Spectrometry, Mass, Electrospray Ionization, Hot Temperature, Spectrophotometry, Infrared, Potassium Compounds, Sulfates, Indicators and Reagents, Spectrophotometry, Ultraviolet, Ultrasonics, Pyrimidinones, Oxidants, Oxidation-Reduction
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