Synthesis and characterization of novel, thermally stable 2-aryl-5-dicyanovinylthiophenes and 5-aryl-5′-dicyanovinyl-2, 2′-bithiophenes as potentially promising …

…, G Kirsch, AMC Fonseca, M Belsley, MMM Raposo

Index: Herbivo, Cyril; Comel, Alain; Kirsch; Fonseca, A. Mauricio C.; Belsley, M.; Raposo, M. Manuela M. Dyes and Pigments, 2010 , vol. 86, # 3 p. 217 - 226

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Citation Number: 38

Abstract

Two series of dicyanovinyl-substituted compounds namely 2-aryl-5-dicyanovinylthiophenes and 5-aryl-5′-dicyanovinyl-2, 2′-bithiophenes were synthesized through Knoevenagel condensation of the corresponding 2-aryl-5-formyl-thiophenes and 5-aryl-5′-formyl-2, 2′- bithiophene precursors. In contrast, the 2-aryl-5-formyl-thiophenes precursor were prepared through the Vilsmeier–Haack–Arnold reaction starting from inexpensive and easily ...

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