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One-Pot Four-Component Synthesis of Thieno[2,3-D]Pyrimidin-4-Amines Via Sequential Gewald/Cyclocondensation Reactions Publisher



Adib M1 ; Janatian Ghazvini H1 ; Soheilizad M1 ; Saeedi S1 ; Tajbakhsh M2 ; Amanlou M3
Authors
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Authors Affiliations
  1. 1. School of Chemistry, College of Science, University of Tehran, P. O. Box 14155-6455, Tehran, Iran
  2. 2. Department of Organic Chemistry, Faculty of Chemistry, Mazandaran University, Babolsar, Iran
  3. 3. Pharmaceutical Sciences Research Center, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran

Source: Helvetica Chimica Acta Published:2015


Abstract

A one-pot four-component synthesis of thieno[2,3-d]pyrimidin-4-amines via sequential Gewald/cyclocondensation reactions is described. 2-Aminothiophene-3-carbonitriles obtained from the Gewald reaction between cyclic ketones, malononitrile, and sulfur underwent a condensation-cyclization reaction with benzonitriles under solvent-free conditions to afford the title compounds in excellent yields. Copyright © 2015 Verlag Helvetica Chimica Acta AG, Zurich.