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Paper   IPM / P / 7774
School of Physics
  Title:   Solid Silica-Based Sulfonic Acid as An Efficient and Recoverable interphase Catalyst for Selective Tetrahydropyranylation of Alcohols and Phenols
1.  B. Karimi
2.  M. Khalkhali
  Status:   Published
  Journal: J. Mol. Catal. A: Chemical
  No.:  1-2
  Vol.:  232
  Year:  2005
  Pages:   113-117
  Supported by:  IPM
Various types of alcohols and phenols are converted to the corresponding tetrahydropyranyl (THP) ether using a catalytic amount of solid silica-based sulfonic acid. The catalyst shows high thermal stability (up to 300 �C) and can be recovered and reused for at least eight reaction cycles without loss of reactivity.

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