Synthesis of New Xanthenes Based on Lawsone and Coumarin via a Tandem Three‑Component Reaction

The synthesis of several new xanthenes based on the 1,3-dicarbonyl scaffolds lawsone and coumarin was developed using tandem three-component reactions involving the reagents ortho-hydroxybenzaldehyde, as bifunctional reagent, and an appropriate thiol. These reactions generated two series of para- an...

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Bibliographic Details
Published in:Journal of the Brazilian Chemical Society 2017-10, Vol.28 (10), p.1926-1936
Main Authors: Cardoso, Mariana, Forezi, Luana, Cavalcante, Victor, Juliani, Cecília, Resende, Jackson, da Rocha, David, da Silva, Fernando, Ferreira, Vitor
Format: Article
Language:English
Subjects:
CHEMISTRY, MULTIDISCIPLINARY
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Summary:The synthesis of several new xanthenes based on the 1,3-dicarbonyl scaffolds lawsone and coumarin was developed using tandem three-component reactions involving the reagents ortho-hydroxybenzaldehyde, as bifunctional reagent, and an appropriate thiol. These reactions generated two series of para- and ortho-naphthoxanthenes that are structurally related to α- and β-pyranaphthoquinones and one series of coumarin-xanthene derivatives.
ISSN:0103-5053
1678-4790
DOI:10.21577/0103-5053.20170032