Lactic acid-catalyzed Eco-friendly Cyclization Reaction for the Synthesis of 4H-benzo[b]pyrans and 3,4-dihydropyrano[c]chromenes in EtOH/H2O as an Efficient Green Reaction Medium
Subject Areas : Polymer
Nourallah Hazeri
1
(Department of Chemistry, Faculty of Sciences, University of Sistan and Baluchestan, Zahedan, Iran.)
Mojtaba Lashkari
2
(Faculty of Sciences, Velayat University, Iranshahr, Iran.)
Homayoun Faroughi Niya
3
(Department of Chemistry, Faculty of Sciences, University of Sistan and Baluchestan, Zahedan, Iran)
Hamed Pourbalouch
4
(Department of Chemistry, Faculty of Sciences, University of Sistan and Baluchestan, Zahedan, Iran)
Keywords: lactic acid, Multi-component reactions (MCRs), 3, green chemistry, 4H-benzo[b]pyran, 4-dihydropyrano[c] chromene,
Abstract :