Synthesis 2015; 47(11): 1623-1632
DOI: 10.1055/s-0034-1380322
paper
© Georg Thieme Verlag Stuttgart · New York

The Reaction of 2-(Acylamino)benzonitriles with Primary Aromatic Amines: A Convenient Synthesis of 2-Substituted 4-(Arylamino)quinazolines

Elina Marinho
Chemistry Department, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal   Email: fproenca@quimica.uminho.pt
,
M. Fernanda Proença*
Chemistry Department, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal   Email: fproenca@quimica.uminho.pt
› Author Affiliations
Further Information

Publication History

Received: 06 January 2015

Accepted after revision: 12 February 2015

Publication Date:
17 March 2015 (online)


Abstract

2-Substituted 4-(arylamino)quinazolines were prepared from 2-(acylamino)benzonitriles and primary arylamines by refluxing in either ethanol using trifluoroacetic acid as a catalyst or acetic acid. The 2-aminobenzonitrile was acylated by reaction with anhydrides, isocyanates, or ethyl chloroformate at room temperature.

Supporting Information

 
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