Ultrasound-mediated, uranyl nitrate hexahydrate-catalyzed synthesis of 1,4-dihydropyridines under mild conditions
作者:B. Palakshi Reddy、S. Sarveswari、V. Vijayakumar
DOI:10.1007/s11164-014-1784-5
日期:2015.9
Synthesis of 1,4-dihydropyridines by three-component condensation reaction of aldehyde, 1,3-dicarbonyl compounds, and ammonium acetate have been found to be efficiently catalyzed by uranylnitratehexahydrate [UO2(NO3)2 · 6H2O] at room temperature under ultrasound irradiation. This novel synthetic method offers the advantages of high yields, short reaction times, simplicity, and easy workup compared