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Synthesis of Novel Fused Quinazolinone Derivatives Publisher Pubmed



Mahdavi M1 ; Lotfi V2 ; Saeedi M3, 4 ; Kianmehr E2 ; Shafiee A5
Authors
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Authors Affiliations
  1. 1. Drug Design and Development Research Center, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. School of Chemistry, College of Science, University of Tehran, P.O. Box 14155-6455, Tehran, Iran
  3. 3. Medicinal Plants Research Center, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
  4. 4. Persian Medicine and Pharmacy Research Center, Tehran University of Medical Sciences, Tehran, Iran
  5. 5. Department of Medicinal Chemistry, Faculty of Pharmacy and Pharmaceutical Sciences Research Center, Tehran University of Medical Sciences, Tehran, Iran

Source: Molecular Diversity Published:2016


Abstract

Abstract: A four-step synthetic route was developed for the synthesis of novel fused quinazolinones, quinazolino[3,4-a]quinazolinones, and isoinodolo[2,1-a]quinazolino[1,2-c]quinazolineones. Reaction of isatoic anhydride and different amines gave various 2-aminobenzamides. Then, reaction of 2-aminobenzamides with 2-nitrobenzaldehyde followed by the reduction of nitro group afforded 2-(2-aminophenyl)-3-aryl-2,3-dihydroquinazolin-4(1H)-one derivatives. Finally, reaction of the latter compounds with aromatic aldehydes or 2-formylbenzoic acid led to the formation of the corresponding products. Graphical Abstract: [Figure not available: see fulltext.] © 2016, Springer International Publishing Switzerland.