Solvent-free Synthesis of 5H-dibenzo[b,i]xanthene-tetraones and Aryl-14Hdibenzo[a,j]xanthenes Using Ferric Chloride Hexahydrate as Catalyst
DOI:
https://doi.org/10.29356/jmcs.v57i4.199Palabras clave:
xanthenes, aldehydes, 2-hydroxy-1, 4-naphthoquinone, 2-naphthol, solvent-free, ferric chloride hexahydrateResumen
A simple and convenient procedure for the synthesis of 5Hdibenzo[b,i]xanthene-tetraones and aryl-14H-dibenzo[a,j]xanthenes is described through the condensation of aldehydes with 2-naphthol or 2-hydroxy-1, 4-naphthoquinone under solvent-free conditions in the presence of ferric chloride hexahydrate. This method has the advantages of high yields, cleaner reaction, simple work-up and cost efficiency.Descargas
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2017-10-12
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