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  • Chem Sci Trans., 2014, 3(1),  pp 107-116  

    DOI:10.7598/cst2014.637

    Research Article

    One-Pot Synthesis of Xanthene Derivatives Using Silica Supported [2-(Sulfooxy)ethyl]sulfamic Acid as a Novel and Efficient Catalyst Under Solvent-Free Condition

  • SAMI SAJJADIFAR, MANOCHEHR FADAEIAN, MINA BAKHTIYARI and SOBHAN REZAYATI
  • Department of Chemistry, Payame Noor University, PO BOX 19395-4697 Tehran, Iran
    Department of Applied Chemistry Qom, Branch Islamic Azad University, Qom, Iran
  • Abstract

    An efficient and simple method for the synthesis of xanthenes derivatives is described via one-pot condensation of various aldehydes and 2-naphthol using [2-(sulfooxy)ethyl]sulfamic acid (SESA) as a novel catalyst. Different types of aromatic aldehydes were used in the reaction and in all cases the products synthesized successfully Use of easily available catalyst, time minimizing, excellent yields, simplicity of the reaction, heterogeneous system, a cleaner reaction and easy work-up are the advantages of the present method.

    Keywords

    [2-(Sulfooxy)ethyl]sulfamic acid, Solid acid, Xanthenes derivatives, 2-Naphthol, Solvent-free, Sulfonated catalyst

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