OICC Press Iranian Journal of Catalysis 2345-4865 4 1 2024 02 03 A green procedure for synthesis of xanthene derivatives: Micellar solution of sodium dodecylphosphonate catalyzes condensation reaction of aldehydes and β-naphthol in aqueous media EN Razieh Ghashghaei Department of Chemistry, Marvdasht Branch, Islamic Azad University, Marvdasht, Iran Soheila Ghassamipour Department of Chemistry, Marvdasht Branch, Islamic Azad University, Marvdasht, Iran Journal Article 2024 02 03 A green and convenient méthode for the synthesis of  a variety of xanthene derivatives by condensation reaction between aldehydes and β-naphthol or dimedone in an micellar solution of sodium dodecylphosphonate is described. This method offers several advantages, such as using of a cheap and environmentally benign reaction media, low loadings of sodium dodecylphosphonate as catalyst and easy work-up.