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A Novel and Efficient Synthesis of 2-Substituted Quinazolin-4(3H)-Ones by the Reaction of (Het)Arylmethanamines With Isatoic Anhydride Publisher



Mahdavi M1 ; Hassanzadeh R2 ; Soheilizad M2 ; Golshani S2 ; Moghimi S2 ; Firoozpour L1 ; Shafiee A2 ; Foroumadi A1, 2
Authors
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Authors Affiliations
  1. 1. Drug Design and Development Research Center, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Department of Medicinal Chemistry, Faculty of Pharmacy and Pharmaceutical Sciences Research Center, Tehran University of Medical Sciences, Tehran, Iran

Source: Tetrahedron Letters Published:2016


Abstract

A novel and straightforward method for the synthesis of quinazolin-4(3H)-ones is described. The one-pot reaction between isatoic anhydride and (het)arylmethanamines led to the formation of N-substituted anthranilamides, which under aerobic conditions in the presence of CuBr undergo an in situ oxidation–cyclization reaction to produce quinazolin-4(3H)-ones in good yields. © 2016 Elsevier Ltd