Dương C-T, Luu XT. Ultrasound accelerated solvent-free synthesis of ethyl 7-methyl-5-phenyl-5H-thiazolo[3,2-a]pyrimidine-6-carboxylate through Biginelli reaction catalyzed by Amberlyst-15. Science & Technology Development Journal: Natural Sciences [Internet]. 24Aug.2020 [cited 25Apr.2024];4(3):652-9. Available from: http://stdjns.scienceandtechnology.com.vn/index.php/stdjns/article/view/868