R. Motamedi, S. Baghbani, F. Bamoharram
Jun 1, 2012
Citations
0
Influential Citations
15
Citations
Journal
Synthetic Communications
Abstract
Abstract Benzopyrano[3,2-c]chromene-6,8-dione derivatives were prepared by a three-component one-pot cyclocondensation of 4-hyroxycoumarin, aldehydes, and 1,3,cyclohexadione using a catalytic amount of heteropolyacids in boiling ethanol in very good yields and rates. GRAPHICAL ABSTRACT