Tannic acid: A Green Catalyst for the Eco-friendly Synthesis of 2,3-dihydroquinazolin-4(1H)-ones under Solvent Free Conditions
Subject Areas : Polymer
Mahdim Narouei
1
(Department of Chemistry, Faculty of Sciences, University of Sistan and Baluchestan, Zahedan, Iran)
Nourallah Hazeri
2
(Department of Chemistry, Faculty of Sciences, University of Sistan and Baluchestan, Zahedan,Iran)
Ebrahim Molashahi
3
(Department of Chemistry, Faculty of Sciences, University of Sistan and Baluchestan, Zahedan,Iran)
Sara Zhaleh
4
(Department of Chemistry, Faculty of Sciences, University of Sistan and Baluchestan, Zahedan,Iran)
Maryam Fatahpour
5
(Department of Chemistry, Faculty of Sciences, University of Sistan and Baluchestan, Zahedan,Iran)
Keywords:
Abstract :
A new, facile, cost effective, and eco-friendly protocol is reported for the synthesis of 2,3-dihydroquinazoline-4-(1H)-ones exploring tannic acid as a novel, inexpensive, andbiodegradable catalyst. A variety of dihydroquinazolins were prepared from aromatic aldehydesand anthranilamide using catalytic amount of tannic acid under solvent free conditions.Operational simplicity, high yield, and high atom-economy are the important features of thisprotocol.