Action de Dérivés Maloniques sur les Thio et Sélénophénols

A Ruwet, A Pourveur, M Renson

Index: Ruwet,A. et al. Bulletin des Societes Chimiques Belges, 1970 , vol. 79, p. 631 - 637

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Citation Number: 2

Abstract

Abstract Malonic esters and other derivatives, with thio or selenophenol in polyphosphoric acid, lead to unexpected Simonis reaction. Instead of 4-hydroxy 1-thio or 1- selenocoumarines they give 2-phenylthio-1-thio chromones or 2-phenylseleno 1-seleno chromones. Several intermediates are considered. The most probable one seems to be an acrylic compound formed via the thiophenyl or selenophenyl ethyl malonate (or malonic ...

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