• Synthesis of naphthoxazinone derivatives using silica-bonded 𝑆-sulfonic acid as catalyst under solvent-free conditions

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    • Keywords


      Silica-bonded propyl-𝑆-sulfonic acid; naphthoxazinones; aromatic aldehydes; heterogeneous catalysts; solid acids.

    • Abstract


      Silica-bonded 𝑆-sulfonic acid is employed as a recyclable catalyst for the synthesis of naphthoxazinone derivatives from the reaction of 𝛽-naphthol, aromatic aldehydes and urea at 150°C under solvent-free conditions. The heterogeneous catalyst was recycled for five runs after the reaction of 𝛽-naphthol, benzaldehyde and urea without losing its catalytic activity.

    • Author Affiliations


      Khodabakhsh Niknam1 Parisa Abolpour1

      1. Department of Chemistry, Faculty of Sciences, Persian Gulf University, Bushehr 75169 Iran
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  • Journal of Chemical Sciences | News

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