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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
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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
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