| Literature DB >> 20510640 |
Enrique Ruiz1, Hortensia Rodríguez, Julieta Coro, Esperanza Salfrán, Margarita Suárez, Roberto Martínez-Alvarez, Nazario Martín.
Abstract
The condensation of Meldrum's acid, aromatic aldehydes, alkyl acetoacetates and ammonium acetate in glacial acetic acid under ultrasound irradiation at room temperature results in the formation of 3,4-dihydropyridone derivatives (4a-p) in 85-96% yields. Compared with conventional methods, the main advantages of the present procedure are milder conditions, shorter reaction times and higher yields.Entities:
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Year: 2010 PMID： 20510640 DOI： 10.1016/j.ultsonch.2010.04.009
Source DB: PubMed Journal: Ultrason Sonochem ISSN： 1350-4177 Impact factor: 7.491