Synthesis of 4-Aryl-7-Methyl-3,4-Dihydropyrano[4,3-b]Pyran-2,5-Dione by Three-Component and One-Pot Reaction
作者:Esmat Hashemzaei、Alireza Hassanabadi
DOI:10.3184/174751915x14360063655029
日期:2015.7
Three-component and one-pot, reaction between 4-hydroxy-6-methyl-2H-pyran-2-one, Meldrum's acid and aryl aldehydes in the presence of piperidine affords 4-aryl-7-methyl-3,4-dihydropyrano[4,3-b]pyran-2,5-dione in excellent yields.