• image 01
    Volume 1, No.1, 2012
  • image 02
    Volume 1, No.2, 2012
  • image 01
    Volume 1, No.3, 2012
  • image 02
    Volume 2, No.1, 2013
  • image 02
    Volume 2, No.2, 2013
  • image 02
    Volume 2, No.S1, 2013
  • image 02
    Volume 2, No.3, 2013
  • image 02
    Volume 2, No.4, 2013
  • image 02
    Volume 3, No.1, 2014
  • image 02
    Volume 3, No.2, 2014
  • Volume 3, No3
    Volume 3, No.3, 2014
  • Volume 3, No4
    Volume 3, No.4, 2014
  • Volume 4, No1
    Volume 4, No.1, 2015
  • Volume 4, No2
    Volume 4, No.2, 2015
  • Volume 4, No3
    Volume 4, No.3, 2015
  • Volume 4, No4
    Volume 4, No.4, 2015
  • Volume 5, No1
    Volume 5, No.1, 2016
  • image 01
  • image 02
  • Login|Register

  • HomeTable of ContentsList of ArticlesAbstract

    Chem Sci Trans., 2012, 1(2),  pp 233-238  

    DOI:10.7598/cst2012.107

    Research Article

    Silica-Supported Phosphorus-Containing Catalysts Efficiently Promoted Synthesis of 1,8-Dioxo-octahydro-xanthenes under Solvent-Free Conditions

  • ALIREZA HASANINEJAD*a, MARJAN DADARa and ABDOLKARIM ZAREb
  • aDepartment of Chemistry, Faculty of Sciences, Persian Gulf University, Bushehr 75169, Iran
    bDepartment of Chemistry, Payame Noor University, PO BOX 19395-4697, Tehran, Iran

    • Abstract

    Synthesis of 1,8-dioxo-octahydroxanthene derivatives from dimedone and aldehydes using silica-supported phosphorus pentoxide (P2O5/SiO2) or Silicaphosphine (Silphos,
    [PCl3-n(SiO2)n]) as efficient and heterogeneous catalysts is described in this paper. The reactions were completed in relatively short reaction times under solvent-free conditions at 80 °C and the products were obtained in good to excellent yields.

    Keywords

    P2O5/SiO2, Silphos, 1,8-Dioxo-octahydroxanthene, Dimedone, Aldehyde, Solvent-free

    HISTORY

  • Received 5 May 2012
  • Accepted 28 May 2012

    • Author's Email

  • ahassaninejad@yahoo.com
  • Indexing Metadata
  • How to cite item
  • Review Policy
  • Rights & Permissions
  • Citation Alert
  • Order Reprints

    • This article has been viwed 5221 times

      

    Citations for this article 13

      

    Download Citations