Sodium alginate: A renewable and very effective biopolymer catalyst for the synthesis of 3,4-dihydropyrimidin-2(1H)-ones


1 Young Researchers and Elites Club, Tehran North Branch, Islamic Azad University, ‎P.O. Box 15655-461, Tehran, Iran‎

2 School of Chemistry, University College of Science, University of Tehran, PO Box ‎‎14155-6455, Tehran, Iran‎

3 Department of Polyurethanes & Advanced Materials, Faculty of Polymer Science,‎ Iran Polymer & Petrochemical Institute, PO Box 14965-115, Tehran, Iran‎


A convenient and mild methodology is described for the preparation of 3,4-dihydropyrimidin-2(1H)-ones in the presence of sodium alginate as the biopolymer catalyst. The sodium alginate was found as a novel, very mild, recyclable, efficient, eco-friendly and very noteworthy biopolymer catalyst