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Efficient synthesis and antioxidant evaluation of 2-aryl-3-(pyrimidin-2-yl)-thiazolidinones

José C Campos Júnior1, Daniela P Gouvêa, Camila da S Ribeiro

  • 1Laboratório de Química (LAQUIABIO), Universidade Federal de Pelotas, Pelotas, Rio Grande do Sul, Brazil.

Journal of Biochemical and Molecular Toxicology
|June 27, 2013
PubMed

Keywords:
Antioxidant ActivityMolecular SievesThiazolidinones

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Aryldiazonium Salts to Azo Dyes: Diazo Coupling01:11

Aryldiazonium Salts to Azo Dyes: Diazo Coupling

The reaction of weakly electrophilic aryldiazonium (also called arenediazonium) salts with highly activated aromatic compounds leads to the formation of products with an —N=N— link, called an azo linkage. This reaction, presented in Figure 1, is known as diazo coupling and occurs without the loss of the nitrogen atoms of the aryldiazonium salt. Highly activated aromatic compounds such as phenols or arylamines favor the diazo coupling reaction. The coupling generally occurs at the para position.