a green procedure for synthesis of xanthene derivatives: micellar solution of sodium dodecylphosphonate catalyzes condensation reaction of aldehydes and β-naphthol in aqueous media

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.