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Cubr/Et3n-Promoted Reactions of 2-Aminobenzamides and Isothiocyanates: Efficient Synthesis of Novel Quinazolin-4(3H)-Ones Publisher



Mahdavi M1 ; Asadi M2 ; Khoshbakht M3 ; Saeedi M4, 5 ; Bayat M3 ; Foroumadi A2 ; Shafiee A2
Authors
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Authors Affiliations
  1. 1. Drug Design and Development Research Center, Tehran University of Medical Sciences, Tehran, 14176, Iran
  2. 2. Department of Medicinal Chemistry, Faculty of Pharmacy and Pharmaceutical Sciences Research Center, Tehran University of Medical Sciences, Tehran, 14176, Iran
  3. 3. Department of Chemistry, Imam Khomeini International University, Qazvin, 34184-96818, Iran
  4. 4. Medicinal Plants Research Center, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, 14176, Iran
  5. 5. Persian Medicine and Pharmacy Research Center, Tehran University of Medical Sciences, Tehran, 14176, Iran

Source: Helvetica Chimica Acta Published:2016


Abstract

A series of novel quinazolin-4(3H)-one derivatives were efficiently synthesized starting from isatoic anhydride. First, reaction of isatoic anhydride and amines in H2O at room temperature afforded 2-aminobenzamides. Then, CuBr/Et3N promoted reaction of 2-aminobenzamides and different aryl isothiocyanates in DMF at 80° afforded the title compounds in good yield. © 2016 Verlag Helvetica Chimica Acta AG, Zurich.